... 我祖父母经常锻炼 » My grandparents often exercise 水管井 » Water pipe well 这样一个好男孩 » Such a good boy ...
基于12个网页-相关网页
供水管井布置 Arrangement of tube well water
供水管井技术规范 Technical standard for water-supply wall
管井滤水管 deep well screen
石棉水泥井管 Asbestos-cement pipe for well casing ; cement pipe for well casing
竖井排水管 chimney drain
单管注水井 single-string injector
污水管检查井 sanitary sewer manhole
管井降水 well dewatering ; tube well dewatering ; pipe well dewatering ; pipe well water level lowering
钻井隔水管 The Drilling Riser ; drill riser
也许是中央空调以前也经常带水又是在下水道里或是水管井道里焊接。
Perhaps is the central air conditioning water is also often used in the sewer or pipe hole welding.
在大量管井施工及运行调查的基础上，提出了我国新的供水管井井水含砂量标准。
Current situation of well Water sand content standards inside and outside China is outlined here and some differences and arguments for this issue are studied. Based on the great amount o...
本文根据实践与测试认为，供水管井过滤器直径、长度的确定，按“入井流速”计算不合理。
It is deemed that choice of well screen 's diameter and length of a water well according to the inflow velocity to the well as did by some professional agencies traditionally is not reasonable.
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