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dreggy adj.(-gier;-giest) 有渣滓的,腳子多的...

dreibund

Used in municipal engineering , infrastructure projects , chemical , printing , dyeing , medicine , shipbuilding , foundry and foodstuff to pump thick and dreggy liquid , paste , sand , flowing silt in rivers , as well as liquid containing mud and stone pieces in coal mines 可用市政、基建、化工、印染、醫藥、造船、鑄造、食品等行業抽吸濃稠液、污濁液、糊狀體、流砂及城市河道的流動污泥等亦可用作煤礦排除含有泥塊小礫石的流體。