英语词汇“pit prop”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	pit prop
释义	pit prop 'pit prop noun a large piece of wood used to support the roof of part of a coal mine from which coal has been removed (煤矿的)坑木,坑柱
随便看	area of bag hole area of ball imprint area of base area of beam area of bearing area of blade section area of building area of cardiac dullness area of catchment area of characterization area of concentration area of contact area of contour area of convergence area of cooling surface area of counter pressure area of coverage area of critical definition area of cross section area of cross-section of nozzle area of curriculum restriction area of cut area of destination (or arrival) area of diagram area of discovery xzzz ya yadd yagw yakc yakj yan yang yao yasw 罰罱署署书署事署名署理署篆罳罴