positive displacement self-priming progressive cavity rotary pump
自启效应
self-priming effect
暂无补充释义。
self-priming effect
暂无补充释义。
positive displacement self-priming progressive cavity rotary pump
self-priming centrifugal oil pump
self-priming pump【机】;self-sucking pump【机】;
self-priming cargo oil pump
self-priming centrifugal pump
self-priming pump
self-priming water pump
single-stage self-priming centrifugal fresh water pump