英语词汇extensive roof collapse的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	extensive roof collapse
释义	extensive roof collapse 英?[iks?tensiv ru:f k??l?ps] 美?[?k?st?ns?v ruf k??l?ps] 释义区域性切冒行业词典煤炭区域性切冒???曾称“大面积来压”。采空区内大面积悬露的坚硬顶板在短时间内突然塌落而造成的大型顶板事故。???
随便看	as light as a butterfly as light as a feather as light as thistle down as light as thistledown as like as an apple to an oyster as like as chale and cheese as like as chalk and cheese as like as chalk to cheese as like as not as like as two blocks as like as two peas as like as two peas in a pod as likely as a grig as likely as not a sling aslip a slip of a a slip of a boy a slip of a girl a slip of memory a slip of paper a slip of the lip a slip of the pen a slip of the tongue a slippery customer

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extensive roof collapse