variable stroke pump 可变冲程泵 ; 变程泵

fixed stroke pump 固定冲程泵 ; 定行程泵

long-stroke pump 长冲程泵

constant stroke pump 定行程泵

variable stroke reciprocating pump 变形程往复泵

long stroke pump 长冲程泵

pump stroke 泵活塞冲程 ; 泵行程 ; 泵冲 ; 泵冲程

variable pre stroke pump 可变预行程泵

variable stroke plunger pump 变冲程柱塞泵 ; 可变冲程柱塞泵