短語(yǔ)詞組短語(yǔ)supporting g surface 支承面main supporting surface 主支持面;主支承面cylindrical supporting surface 圓柱支承面width of supporting surface [機(jī)]支承面寬度main starting valve supporting surface 主支承面Supporting stiffness of subgrade surface 路基面支承剛度 返回 supporting surface