机械取样 meaning in English

mechanical sampling

Hard coal and coke - mechanical sampling - general introduction
硬煤和焦炭.机械取样.一般导言
Hard coal and coke - mechanical sampling - sampling from moving streams
硬煤和焦炭.机械取样.流水线取样
Hard coal and coke - mechanical sampling - methods of testing for bias
硬煤和焦炭.机械取样.偏差试验方法
Standard practice for bias testing a mechanical coal sampling system
煤机械取样系统偏差试验的标准实施规程
Hard coal and coke - mechanical sampling - coal - preparation of test samples
硬煤和焦炭.机械取样.煤.试样制备

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