expansionn.膨胀;扩展;扩充
expansion rate膨胀率,扩充率
expansion zone胀形区
expansion path扩张线
expansion test膨胀试验,扩口试验
expansion pack膨胀套
expansion mode展开方式
expansion flow扩张水流
expansion scab起痂
expansion card扩展卡
expansion cone膨胀锥