We monitor and record the testing process of tractor, analyze and control the testing process through sampling inspection by attributes, and this can make the test process quality be in controlling.
对拖拉机试验过程进行监视记录，运用计数抽样检验法则对试验过程进行分析和控制，从而达到试验过程质量可控。
We monitor and record the testing process of tractor, analyze and control the testing process through sampling inspection by attributes, and this can make the test process quality be in controlling.
对拖拉机试验过程进行监视记录，运用计数抽样检验法则对试验过程进行分析和控制，从而达到试验过程质量可控。
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