英语词汇“pillar-and-stall system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pillar-and-stall system
释义	pillar-and-stall system pillar-and-stall system [′pil·ər ən ′stȯl ‚sis·təm] (mining engineering) A system of working coal and other minerals where the first stage of excavation is accomplished with the roof sustained by coal or ore.
随便看	polymeric lamellar substrate particle polymeric poured floor polymeric stabilization polymeric viscosity index improver polymeride polymer-impregnated concrete polymer-induced liquid-precursor polymer industry competence assessment tool polymer industry media international polymer infiltrated ceramic network polymerisable polymerisation polymerise polymerised polymerises polymerising polymerism polymerizable polymerization polymerization (disambiguation) polymerization-induced colloid aggregation polymerization reaction polymerizations polymerization with light under microgravity polymerize

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