?水力活塞泵
... 井下引擎 downhole engine 水力活塞泵 downhole engine pump 井下冲蚀 downhole erosion ...
?井底水力活塞泵
... downhand electrode ==> 平焊焊条 downhole engine pump ==> 井底水力活塞泵,井底水力活塞泵 downhole gas burner ==> 井底气体燃烧器,井底气体燃烧器 ...
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。