英语词汇“absolute roof”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	absolute roof
释义	absolute roof 【采矿】绝对顶板，(矿层以上的)直接顶板
随便看	latch onto sb latch onto something latch onto sth latch opener latchous latch output latch-out tabulator key latch out tabulator key latch-pan latch pin latch plate latch position latch pulse latch register latch relay latch-release cylinder latch rod latch rod thimble latch scram latch screw latchset latch shoe latch spring latch spring case latch stand

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