double action reciprocating pump
double action reciprocating pump
[新英汉石油技术词典]
double action reciprocating pump双作用活塞式往复泵
是什么意思，double action reciprocating pump的解释，double action reciprocating pump的翻译
[石油英汉词典] double action reciprocating pump
double action reciprocating pump
[新英汉石油技术词典]
double action reciprocating pump是什么意思，double action reciprocating pump的解释，double action reciprocating pump的翻译
[石油英汉词典] double action reciprocating pump