英语词汇cover caving怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	cover caving
释义	cover caving 简明释义顶板崩落；放顶网络释义短语 1 cover caving ability 可放性 2 cover-caving possibility 冒放性 3 cover rock caving 覆岩冒落双语例句 1 Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method. 分析了放顶煤开采顶煤冒放性的影响因素。 2 The paper discusses the roof coal breakage principle, deformation breakage and retrieval law and analyzes factors affecting cover caving ability. 论述了综放开采的顶煤破碎机理、变形破碎及回收规律；
随便看	Periploca forrestii periploca forrestii schltr Periploca graeca periplocapoisoning periploca sepium periploca sepium bge Periploca sepium Bunge periplocin periplocoside periplocoside A periplocoside a,b,c periplocoside B periplocoside C periplocymarin periplogenin periploi Periploma japonicum periplum periplus peripneumonia peripneumonia notha peripneumonitis peripneustic peripneustic respiratory system peripodal

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