contractionn.收缩;痉挛;缩写式
contraction fault收缩断层
contraction scale缩小比例尺,缩尺
contraction crack(收)缩裂(纹)
contraction color收缩色
contraction shape收敛形状
contraction joint收缩缝,伸缩接合
contraction ratio收缩比
Contraction bands收缩带
contraction figure收缩象
contraction period收缩期