英语词汇ultra large coal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	ultra large coal
释义	ultra large coal 简明释义特大块煤网络释义 1 ?特大块煤 ... 混煤 mixed coal 特大块煤 ultra large coal 大块煤 large coal ... 短语 1 ultra-large coal 矿业特大块煤 2 ultra large coal detail 特大块煤双语例句 1 The feasibility of the protective coal pillar mining in the artificial inclined steep drift in the thick (ultra thick) coal seam of a large slope is discussed. 论证了急倾斜厚(特厚)煤层伪斜上山保护煤柱回收的可行性。
随便看	reheat coil reheat combustion chamber reheat combustor reheat condensing turbine reheat control reheat control valve reheat crack reheat crack reheat cycle reheat cycle gas turbine re-heat cycles reheated reheated reheated steam reheated steam condition reheat effect reheat emergency valve reheat engine reheater reheater bypass reheater engine reheater furnace reheater operating switch reheater-regenerative plant reheater regenerative plant

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