起重机: crane; derrick; crab; freight elevator; hoist; lifter; cranage; hoister 短语和例子起重机的起重能力 the lifting capacity of a crane; 龙门起重机 gantry crane; 门式起重机 portal crane; 塔式起重机 tower crane
电动起重机: electric craneelectric hoistelectric travelling craneelectrical craneelectrical jackpower crane
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;
