车间空气中聚氯乙烯粉尘职业接触限值 meaning in English
occupational exposure limit for polyvinyl chloride dust in the air of workplkace
Examples
- Occupational exposure limit for polyvinyl chloride dust in the air of workplkace
车间空气中聚氯乙烯粉尘职业接触限值
occupational exposure limit for polyvinyl chloride dust in the air of workplkace