ASTM D 4702-2006 标准详情
- 标准号:ASTM D 4702-2006
- 中文标题:机械钻煤取样系统的质量管理标准实施
- 英文标题:standard guide for quality management of mechanical coal sampling systems
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2006-04-01
1.1 This practice is applicable to cross-belt, falling stream, and auger sampling systems.1.2 Spacing of increments pertains to the kind of interval between increments. Intervals can be defined in quantitative terms, such as units of time or mass, or
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