人工路基artificial: adj. 1.人工的,人造的;人為的 (opp. nat ...subgrade: n. 路基;地基。 railway subgrade subgrade: 鐵道路基benched subgrade: 臺(tái)口式路基coefficient of subgrade: 路基抗力系數(shù)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯