路宽: have a lot of social connect ...分级: grade; classify; classificat ...标准: standard; criterion; benchma ...Φ分级标准: phi grade scale分级标准: grade scale; grading rules; grading standards颗粒分级标准: gradation scale粒度分级标准: phi grade scale粒径分级标准: grade scale; grain-size scale污染分级标准: scale of pollution硬度分级标准: scale of hardness涌浪分级标准: scale of swell鱼的分级标准: standard of cull工程岩体分级标准: standard for classification of engineering rock masses船舶交通事故分级标准表: classification form of maritime traffic accident地下水资源分类分级标准: standards of classification for groundwater resources改良的损伤分级标准: miss; modified injury severity scale格拉斯克昏迷分级标准: glasgow grade standard of coma土壤侵蚀分类分级标准: sl190-96; sll90-96西欧内河航道分级标准: west-european inland waterway classification scale职业病诊断分级标准: of occupational disease分级标尺: grade scale; gradescale分级标度: step scale残疾人田径运动员医学和功能分级标准: medical and functional classification standard of athletics for disabled athletes土壤侵蚀强度分类分级标准: sl190-96粒径分级标尺: grainsize scale