英语词汇“principal assembly”的翻译、意思、用法、释义-英汉汉英双解词典

单词	principal assembly
释义	principal assembly 主要总成
随便看	safety fire safety firebreak safety fire line Safety First safety-first safety first criteria Safety-first Criterion safety firstengineering safety first engineering safety-first engineering safety-first model Safety First Network Band safety-first principle safety fishery safety flack safety flange safety flap safety flare safety flask safety flow speed safety food Safety Food-borne disease safety footwear Safety footwear Safety footwear for protection toe