英语词汇“retractable steel joist”的翻译、意思、用法、释义-英汉汉英双解词典

单词	retractable steel joist
释义	retractable steel joist 可缩钢梁
随便看	hand in marriage hand in one's accounts hand in one's checks hand in one's chips hand in one's dinner pail Hand in/out the schoolwork hand in paper hand insertion hand in something hand inspection hand instrument hand instrumentation hand intelligently hand intentionally hand interrupter hand interruptor handiwomen hand into hand introduction Hand in up your examination paper hand inventory Hand in your activity book Hand in your examination papers now Hand in your examination papers now,please Hand in your examination papers now, please