clearing out drop

航海及海运专业英语词汇(C5)|无忧教育 ... clearing of a fault 排除故障 clearing out drop 话终吊牌 clearing plug 清洗孔塞 ...

clear-英汉词典... ... clearing operation {n.}清算业务 clearing out drop [电]终话吊牌 clearing out lamp [电]终话灯 ...