单词	er ao
释义	er ao 二螯
随便看	vacuum clear vacuum closed drainage vacuum closing vacuum closing machine vacuum closing machine for bottle, jar caps vacuumcoat vacuum coat vacuum-coat vacuum-coated bomb vacuum-coated reflector vacuum coating vacuum coating, continuous vacuum coating equipment vacuum coating machine vacuum coating plant Vacuum coating plant generic specification vacuum coating processing vacuum coating system vacuum coat method vacuum cock vacuum coefficient vacuum co evaporation Vacuum co-evaporation technique vacuum coffee maker vacuum cold trap