... 隔离止回阀 isolating non-return valve 给水止回阀 check feed valve; feed check valve; feed water check valve; feed-water check valve 供水止回阀 feed-check valve ...
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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。
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