Designed for long time working in severe conditions , such as high temperature , humidity and dustiness 能在高温、潮湿、多尘等恶劣条件下长时间工作；
2.
Designed for long time working in severe conditions , such as high temperature , humidity and dustiness 能在高温、潮湿、多尘等恶劣条件下长时间工作；
3.
Workplace atmospheres - measurement of the dustiness of bulk materials - requirements and reference test methods 工作场所的空气.散装材料的污染度测量.要求和参考试验方法
4.
Workplace atmospheres - measurement of the dustiness of bulk materials - requirements and reference test methods ; german version en 15051 : 2006 工作场所的空气.散装材料的污染度测量.要求和参考试验
