污水井的英文
bilge hat
bilge well
drain hat
drain pot
+更多解释...
例句与用法
- The machine can adopt positive and negative circulation and other deep drilling technique , adapts to various stratum , is the first selected equipment for foundation construction of river ' s bridge and dock , and also adapts to large diameter borehole construction such as tall building , coal mine vertical well and sewage well , it exerts great action many changjiang river large scale bridges foundation construction
该机可采用正反循环等钻进工艺施工，适合于各种地层，是江河桥梁、码头基础施工的首选设备，也适用于高层建筑、煤矿竖井和污水井等大口径钻孔施工，在多座长江大型桥梁基础施工中发挥了巨大作用。
