proportioning pump meaning in English

比例泵；配比泵
分配泵
计量泵
浆水泵
配合泵
配量泵
限量泵

Displacement pumps . electrically driven proportioning pumps for waste water treatment . tests
活塞泵.废水处理用电驱动定量泵.试验
The valve ports of the basic material pump , the curative agent pump and proportioning pump all adopt the special alloy with zero leakage
涂胶机基料泵，固化剂泵及比例泵的高压阀口，均采用零泄特殊合金研磨制造。
The valve ports of the basic material pump , the curative agent pump and proportioning pump all adopt the special alloy - with zero ieakage
该涂胶机的基料泵、固化泵及比例泵的高压阀口均采用零汇露特殊合金研磨制造。