美[bitʃ kol]英[bi:tʃ kəul]
[机] 山毛榉煤
These products are mixtures of many chemicals created by high-temperature treatment of beech and other woods coal or from the resin of the creosote bush .
这些产品的混合物许多化学品所造成的高温处理 榉木等木材, 煤炭,或从树脂的焦油布什。
美[bitʃ kol]英[bi:tʃ kəul]
[机] 山毛榉煤