slot meter

例句：

1. 1.The engineer used a slot meter tomeasure the flow rate of the fluid.
   工程师使用一个插槽计量器来测量流体的流量。
2. 2. The technician was required to check theaccuracy of the slot meter before startingthe machine.
   技术人员被要求在启动机器之前检查插槽计量器的准确度。
3. 3. Themanufacturer claims that their slot meter ismore accurate than any other competitor's.
   制造商声称他们的插槽计量器比任何其他竞争对手的都要准确。