基本解释[經濟學]有輪流動滅火器英汉例句雙語例句Wheeled (mobile) fire extinguishers Visually examine at least one extinguisher of each type manufactured in the same year and kept on board.舟車式滅火器 在同年制造和裝配船上的滅火器中，每個類型至少抽查一個。wheeled mobile extinguisher更多例句词组短语短語wheeled d mobile extinguisher 有輪流動滅火器wheeled mobile extinguisher更多词组专业释义經濟學有輪流動滅火器