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采用单值-移动极差控制图考察了2004年和2005年块铁矿的品质波动情况。
The quality fluctuation of 2004/2005 lump iron was inspected with Charlie Control Chart.
youdao
-
采用单值-移动极差控制图考察了2004年和2005年块铁矿的品质波动情况。
The quality fluctuation of 2004/2005 lump iron was inspected with Charlie Control Chart.
youdao