车间空气中大理石粉尘卫生标准的英文

health standard for marble dust in the air of workplace

• 车间:    farm; shop; worksh ...
• 空气:    air; atmosphere
• 中:    hit; fit exactly
• 大理石:    marble
• 粉尘:    stive; dust
• 卫生标准:    hygienic standard

例句与用法

1. Health standard for marble dust in the air of workplace
   车间空气中大理石粉尘卫生标准