?背压弹簧阀
... hydraulic back-pressure valve 液压止回阀 ; 水压逆止阀 back pressure spring valve 背压弹簧阀 BPV back pressure valve 背压阀 ...
?止回弹簧阀
... auxiliary valve spring 副阀弹簧 back pressure spring valve 止回弹簧阀 backpressure spring valve 背压弹簧阀 ...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。