基本解释[交通运输工程]舷侧排水阀舷外排出阀舷外排洩阀词组短语短语Overboard boiler discharge valve 舷侧锅炉泄放阀drain pump overboard discharge valve 舱底泵的舷外排水阀;舱底水泵舷外排水阀overboard discharge valve ventilating system 舷侧排水阀overboard discharge valve更多词组专业释义交通运输工程舷侧排水阀舷外排出阀舷外排洩阀