我们只要打开浴缸或淋浴喷头的热水出水阀，把热水器的水放掉就行了。

Just open a hot water valve in a sink or shower and let the system drain.

youdao

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。

Then, whenever you open a hot water valve in your house, such as a sink or shower, then it will gravity feed.

youdao

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。

Then, whenever you open a hot water valve in your house, such as a sink or shower, then it will gravity feed.

youdao