throw of pump

例句：

1. 1. The engineer carefully disassembled the pump to inspect its throw.
   工程师仔细拆开泵以检查其投掷部分。
2. 2.The pump's throw is designed to distribute water evenly throughout the system.
   泵的投掷部分设计用来在整个系统中均匀分配水。
3. 3.The technician replaced the worn-out pump throw with a new one.
   技术人员用一个新的泵投掷件替换了磨损的部件。