first class standard的意思|示意
一级标准
first class standard的网络常见释义
一级主伐木 ... 一次主伐 monocyclic felling 一级主伐木 first class standard 主伐, 清理伐(后伐) final clearing ...
first class standard相关短语
1、 first-class standard 一轮选留木 ; 一级主伐木
2、 first-class standard meter 一级线纹米尺
3、 first class discharge standard 一级排放标准