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;
密封: seal; seal up; seal airtight; seal hermetically; encapsulation lutation; hermetic sealing; sealing; sealing off; enclosing 短语和例子密封的罐头 sealed tin; 密封的容器 hermetically sealed chamber; 密封的文件 s
