sandpump

例句：

1. 1. The sandpump is used to remove the sand from the riverbed during construction.
   沙泵用于在建设期间从河床移除沙子。
2. 2.The sandpump was designed to efficiently transport large amounts of sand.
   沙泵被设计用来高效地运输大量的沙子。
3. 3.The sandpump was a critical component in the construction project.
   沙泵是这个建设项目的一个关键组成部分。