grading
等级材
grading of timber【木】
暂无补充释义。
相关词条
grading
white rice grading
grading
grading using diver gent conveyer belts
grading of ice on roads, traffic surfaces
grade scale【地质】;grading standard【经管】
land grading, land classification
grading of timber【木】
暂无补充释义。
grading
grading
white rice grading
grading
grading using diver gent conveyer belts
grading of ice on roads, traffic surfaces
grade scale【地质】;grading standard【经管】
land grading, land classification