外观分级的英文

visual grading

• 外观:    outward appearance ...
• 分级:    grade; classify; c ...
• 普通胶合板外观分等技术条件:    plywood-specificat ...

例句与用法

1. Sawn timber . appearance grading of softwoods . part 1 : european spruces , firs , pines and douglas firs
   锯材.软木的外观分级.第1部分:欧洲云杉冷杉松木和黄杉
2. Sawn timber - appearance grading of softwoods - part 1 : european spruces , firs , pines , douglas fir and larches
   锯材.软木的外观分级.第1部分:欧洲云杉冷杉松木黄杉和落叶松
3. Plywood - classification by surface appearance - part 4 : parameters of ability for finishing - guidance ; german version env 635 - 4 : 1996
   胶合板.按外观分级.第4部分:光饰能力参数.指南