如果是拆卸下部加热元件，需要清除累积在内胆底部的沉淀物。

If you are replacing the bottom element, remove the accumulated sediment on the bottom of the tank.

youdao

如果是拆卸下部加热元件，需要清除累积在内胆底部的沉淀物。

If you are replacing the bottom element, remove the accumulated sediment on the bottom of the tank.

youdao