ratio of grade的意思|示意
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英 / /
等级比率
ratio of grade的网络常见释义
锯材等级比率 ... 锯材等级 lumber class 锯材等级比率 ratio of grade 锯材垛积法 way of lumber piling ...
ratio of grade相关短语
1、 ratio of first-grade products 一级品率
2、 ratio o of grade 锯材等级比率
3、 ratio of mid-high grade leaves 优质烟叶中上等烟比例