基本解释[经济学]舱底泵阀英汉例句双语例句Start the bilge water feed pump, check the feed water solenoid valve and flow switch.启动舱底水供给泵，检查补水电磁阀和流量开关是否工作。imarine.cn词组短语短语bilge e pump valve 舱底泵阀专业释义经济学舱底泵阀