diaphragm type metering pump

例句：

1. 1.The new diaphragm type metering pump has significantly improved the efficiency of the process.
   新型隔膜式计量泵显著提高了工艺的效率。
2. 2. The engineers are working on developing a more efficient diaphragm type metering pump.
   工程师们正在努力开发一种更高效的隔膜式计量泵。
3. 3. This diaphragm type metering pump is designed to handle high pressure and low flow rates.
   这种隔膜式计量泵设计用于处理高压和低流量。