英语词汇“sand bedding course”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	sand bedding course
释义	sand bedding course 砂垫层
随便看	center of mass system center-of-mass velocity center of mean distance center of measurement center of moment center of momentum coordinate system center-of-momentum coordinate system center of momentum frame (cm) center-of-momentum system center of motion center of movement center of normal curvature center of origin center of origin of crop center of oscillation center of ossification center of parallel force system center of parallel wheel motion center of pencil center of percussion center of perspective center of perspectivity center of planning area center of population center of pressure 犹忆那回曾到犹恋故人犹恐春阴咽管弦犹恐相逢是梦中犹恐相逢是梦中犹想乌丝醉墨犹抱琵琶半遮面犹抱琵琶半遮面犹是一书生犹是天涯工票工种工科工程工程兵工程图工程师工程院工稳工竣