单词	working lengths
释义	working lengths 工作长度
随便看	valve plunger valvepneumatic valve pocket valve point valve point curve valve-point effects valve point internal efficiency valve-point internal efficiency valve point performance curve valve-point performance curve valve points valve port valve port diameter Valve port dynamic pressure feed-back valve position valve position control valve positioner Valve Positioner/ Valve Positioners valve position feedback valve position flow characteristic valve position-flow characteristic valve positionhydraulic valve position indicating converter valve position indicating switch