英语词汇“closed frame”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	closed frame
释义	closed frame closed frame [¦klōzd ¦frām] (mining engineering) A mine support frame that is completely closed; especially in inclined shafts, it is used to protect all sides from rock pressure.
随便看	rpar r-pas rp-as rpas rpasm rpasmc rpasny rpat rpav rpay rpayc rpb rpb1 rpba rpbac rpbbi rpbc rpbd rpbe rpbf rpbfmp rpbfp rpbg rpbh1 rpbic

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。