Coal products for residents refer to briquet, coal cake, honeycomb briquette and kindling charcoal.

居民用煤炭制品是指煤球、煤饼、蜂窝煤和引火炭。

youdao

Coal products for residents refer to briquet, coal cake, honeycomb briquette and kindling charcoal.

居民用煤炭制品是指煤球、煤饼、蜂窝煤和引火炭。

youdao