160 元券
![[预订]2022 AWWA Utility Benchmarking: Performance Management for Water and Wastewater 9781647171056](https://img.alicdn.com/bao/uploaded/i3/454266620/O1CN01x20nUa1ym0ppvrNHu_!!0-item_pic.jpg_280x380xz.jpg)
160 元券
![[预订]2021 AWWA Utility Benchmarking: Performance Management for Water and Wastewater 9781647170684](https://img.alicdn.com/bao/uploaded/i1/454266620/O1CN01KxHKD11ym0pnxBAu0_!!0-item_pic.jpg_280x380xz.jpg)
160 元券
![[预订]2020 AWWA Utility Benchmarking 9781647170301](https://img.alicdn.com/bao/uploaded/i1/454266620/O1CN01jBSFEQ1ym0ppvRexr_!!0-item_pic.jpg_280x380xz.jpg)
160 元券
160 元券
160 元券
160 元券
![【3-4周达】Awwa Utility Benchmarking 2025: Performance Management for Water and Wastewater [9781647172770]](https://img.alicdn.com/bao/uploaded/i4/2107887916/O1CN01LI5JwB28LaNspYCy1_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
852 元券
80 元券
80 元券
80 元券
60 元券
60 元券
60 元券
![【3-4周达】Algae Source to Treatment (M57): Awwa Manual of Water Supply Practice [9781583217870]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01Faab8u28LaNgCbIwy_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
552 元券
40 元券
![【3-4周达】Waterborne Pathogens (M48): Awwa Manual of Practice [9781583214039]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01uoy3i828LaNgL5YQF_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
319 元券
![【3-4周达】Reverse Osmosis and Nanofiltration (M46): Awwa Manual of Practice [9781583214916]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01asRMPI28LaNg9ZymR_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
316 元券
![【3-4周达】On-Site Generation of Hypochlorite (M65): Awwa Manual of Practice [9781625760265]](https://img.alicdn.com/bao/uploaded/i3/2107887916/O1CN015RWhFK28LaNgZzsVW_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
275 元券
![【3-4周达】Capital Project Delivery (M47): Awwa Manual of Water Supply Practice [9781583217566]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01KDciWM28LaNgel96y_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
255 元券
![【3-4周达】Fire Hydrants: Installation, Field Testing, and Maintenance, Fifth Edition (M17): Awwa Man... [9781625760197]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01yD60Y728LaNh0TBpR_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
255 元券
![【3-4周达】Water Chlorination and Chloramination Practices and Principles (M20): Awwa Manual of Practice [9781583214084]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01UFmp8728LaNfyqx7k_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
255 元券
![【3-4周达】Water Meters Selection, Installation, Testing and Maintenance (M6): Awwa Manual of Practice [9781583218624]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01PMPyqn28LaNhTXZWR_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
255 元券
![【3-4周达】Steel Water Storage Tanks (M42): Awwa Manual of Practice [9781583219485]](https://img.alicdn.com/bao/uploaded/i3/2107887916/O1CN0103VwDl28LaNgHUsYd_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
244 元券
![【3-4周达】Water Utility Capital Financing (M29): Awwa Manual of Practice [9781625760166]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01bCu3ZG28LaNgloacB_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
225 元券
![【3-4周达】Water Treatment Grades 3 and 4 Wso: Awwa Water System Operations Wso [9781625761255]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01F0Grh028LaNh5I0ll_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
211 元券
![【3-4周达】Distribution System Requirements for Fire Protection (M31): Awwa Manual of Water Supply Pr... [9781583215807]](https://img.alicdn.com/bao/uploaded/i3/2107887916/O1CN01Gt6LvD28LaNfsCWUZ_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
207 元券
![【3-4周达】External Corrosion Control for Infrastructure Sustainability (M27): Awwa Manual of Water S... [9781583219669]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01j6PbvF28LaNgOskfE_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
204 元券
![【3-4周达】Awwa Water Operator Field Guide, Second Edition [9781583219041]](https://img.alicdn.com/bao/uploaded/i4/2107887916/O1CN01ECHgAG28LaNgKEBQH_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
185 元券
![【3-4周达】Awwa Wastewater Operator Field Guide [9781583213865]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01WxyHS128LaNflTDfW_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
185 元券
![【3-4周达】Water Treatment Grade 1 Wso: Awwa Water System Operations Wso [9781625761231]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN01A6ey3v28LaNhog6Vp_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
183 元券
![【3-4周达】Water Treatment Grade 2 Wso: Awwa Water System Operations Wso [9781625761248]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01lMrzQU28LaNhpEbhX_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
183 元券
![【3-4周达】Operational Guide to AWWA Standard G300, Source Water Protection, Second Edition [9781625762559]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01uPOD2728LaNfu6XYs_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
180 元券
![【3-4周达】Operational Guide to Awwa Standard J100 Risk & Resilience Management of Water & Wastewater... [9781647171216]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01j5g5Yj28LaNgSX11L_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
178 元券
![【3-4周达】Air Valves: Air Release, Air/Vacuum, and Combination, 2nd Edition (M51): Awwa Manual of Wa... [9781625761767]](https://img.alicdn.com/bao/uploaded/i1/2107887916/O1CN0168eVgJ28LaNgxjG3I_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
173 元券
![【3-4周达】Water Treatment Plant Operation and Management: Operational Guide to AWWA Standard G100 [9781583218532]](https://img.alicdn.com/bao/uploaded/i2/2107887916/O1CN01QGKEW528LaNgWO3Ql_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
156 元券
![【3-4周达】Operational Guide to AWWA Standard G200: Distribution Systems Operation and Management [9781583217344]](https://img.alicdn.com/bao/uploaded/i3/2107887916/O1CN01zXTRUU28LaNgWIxDR_!!4611686018427384108-0-item_pic.jpg_280x380xz.jpg)
156 元券
8.3 元券
