drainage sump造句

例句与造句

1. A small drainage sump was often incorporated in the floor to collect rainwater seeping into the shelter.
2. Much of the bored sections are 21 23 m below the surface, with the lowest point at Marino, towards the southern end, a point that also hosts the tunnel's drainage sump.
3. The Ram Hill Colliery was the northern terminus and near of Bitterwell Lake ( then known as Bitterwell Pond, a colliery drainage sump, there was also a southern spur to New Engine Pit; technical facilities were provided there and it served as a supply depot to other local pits.
4. It's difficult to find drainage sump in a sentence. 用drainage sump造句挺难的