Check that the valve is installed properly and the feed valve does not leak.
检查阀是否安装正确；进料阀是否泄漏。
Then, whenever you open a hot water valve in your house, such as a sink or shower, then it will gravity feed.
这样，只要我们在任何时候打开房间内浴缸或的淋浴喷头的热水出水阀，热水器的水箱就能在地球引力的作用下自动添水。
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。
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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