英语词汇“stope board”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	stope board
释义	stope board stope board [′stōp ‚bȯrd] (mining engineering) A timber staging on the floor of a stope for setting a rock drill; the stage is tilted so that the bottom holes can be drilled in the same inclined direction.
随便看	effective privilege level effective problem solving effective procedure effective procuring cause effective professional learning community effective profile drag effective program projection effective project approval effective project approval document effective projected area effective projected radiant surface effective project management group effective propagation loss effective propeller thrust effective provision for special educational needs effective provision of pre-school education effective public health practice project effective radiated power effective radiated power (erp) effective radiated power watts effective radiated voltage effective radiating area effective radiation effective radius effective radius of the earth

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