Workers should know the importance of good insulation for people's lives.

30%的火灾是由于绝缘不良引起的，工作人员应该懂得绝缘对人们的重要性。

youdao

Workers should know the importance of good insulation for people's lives.

30%的火灾是由于绝缘不良引起的，工作人员应该懂得绝缘对人们的重要性。

youdao