Right before you turn off the water, crank it to freezing cold for 30 seconds.

在你关掉水阀之前，转到冷水处，冲30秒。

youdao

Right before you turn off the water, crank it to freezing cold for 30 seconds.

在你关掉水阀之前，转到冷水处，冲30秒。

youdao