?平焊焊条
... downgoing plate ==> 下沉模块 downhand electrode ==> 平焊焊条 downhole engine pump ==> 井底水动力活塞泵,井底水动力活塞泵 ...
?俯焊焊条
... 缝焊焊条 seam welding electrode 俯焊焊条 downhand electrode 共晶焊焊条 eutecrod ...
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。