Clean the cushion of the ash-discharge door. If it is worn out, replace it by anew one.

注意清灰口门子上的垫子，如有破损，应及时更换。

youdao

Clean the cushion of the ash-discharge door. If it is worn out, replace it by anew one.

注意清灰口门子上的垫子，如有破损，应及时更换。

youdao