Objective:To analyse on the relationship between the interridge crestline angle and the tooth arrangement of complete denture.
目的 ：分析不同牙槽嵴顶间线角角度与全口义齿排牙之间的关系。
2
Revetments protect the space from dam crest to the line a certain distance, normally 2.5m, under the minimum water level of the dam upstream.
护坡覆盖的范围，上游由坝顶护至水库最低水位以下一定距离，一般在最低水位以下2.5米。
3
The place that takes a shower( welcome everyone's crest) the Sir to return to that year to cut in line calls on the old friend, just getting off a guest house that he lived into the town.