commercial benzol

例句：

1. 1.The commercial benzol is widely used in the manufacturing industry.
   商业苯在制造业中广泛使用。
2. 2. The chemical properties of commercial benzol are well-known.
   商业苯的化学性质众所周知。
3. 3. The use of commercial benzol has been banned in some countries due to its toxicity.
   由于其毒性，一些国家已经禁止使用商业苯。