valve pot type piston pump的意思|示意

阀室式活塞泵 ... 旋启多瓣式止回阀 multi-disc swing foot valve 阀室式活塞泵(美) valve pot type piston pump 薄膜式降低压力阀 diaphragm reducing valve ...

阀箱式活塞泵 valve plate type piston pump 阀板式活塞泵 ; 闸板式活塞泵 valve pot type piston pump 阀箱式活塞泵 valve box type piston pump 阀室式活塞泵 ; 阀箱式活塞泵 ..