词汇	obstruction box
释义	obstruction box 障碍箱
随便看	cathode ray tude cathode ray tudecrt cathode-ray tuning indicator cathode-ray tuning indicator tube cathode ray type indicator cathode-ray VHF direction finder cathode ray voltmeter cathode-ray voltmeter cathode ray welding cathode reaction cathode reciprocating motion cathode reduction cathode reduction method cathode reduction process cathode region cathode regulation cathode replacement cathode resistance cathode resistor cathode return circuit cathode-return circuit Cathode revolving cathode ring cathode rinse cathode roll