英语词汇“sand filter trenches”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	sand filter trenches
释义	sand filter trenches sand filter trenches A system of trenches, consisting of perforated pipe or drain tile surrounded by clean, coarse aggregate containing an intermediate layer of sand as filtering material and provided with an underdrain for carrying off the filtered sewage.
随便看	centrales nucleares almaraz trillo centrale suisse des constructeurs de fenêtres et façades centrale syndicale des travailleurs martiniquais centrale thermo frigo electrique central ethics committee on human research central eurasia leadership academy central eurasia leadership alliance central eurasian scholars network central eurasian studies society central eurasian studies world wide central europe central europe agri-food central european central european adriatic danubian south-eastern european space central european advertising art institute central european advisory group central european air traffic services central european and eurasian law initiative central european army group central european association for canadian studies central european association for computational mechanics central european association of urology central european astrophysical bulletin central european baroque church central european basketball league

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