电动: motor-driven; power-driven; power-operated◇电动摆 motor pendulum; 电动扳手 electric wrench; 电动泵 motor-driven [electric] pump; 电动车 electric [electrically operated] motor car; electric power cart;
过滤: [工业] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straining; filterion 短语和例子用沙过滤的 filtered through the sand; 固体颗粒从溶液中过滤出来。 the solid particles were fi