英语词汇“drainage hole”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	drainage hole
释义	Drainage hole Drainage hole A hole in a retaining wall; an open joint in masonry, to drain unwanted water. drainage hole An opening in a construction which permits unwanted water to drain away, e.g., from behind a retaining wall.
随便看	nrdu nrdw nrdwl nrdwsf nre nrea nreac nream nreb nre-binding protein nrebp nrec nreca nrecs nred nreda nredi nree nref nrefa nreg nrega n region nregp nregs

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Drainage hole