seal cavity

Conclusion: Dental pulp cavity seal could reduce the patient s hospital times.

结论: 髓腔封闭可减少患者就诊次数.

The composing, function, selecting principle and key of parts of the pump, such as electromotor, axle-jointer, bearing box seat, water cooling seal cavity, down pump body, pump axle and impeller, are introduced in detail by pump body structure diagram.

给出泵体结构图，详细介绍泵的电机、联轴器、轴承箱座、水冷密封腔、下泵体、泵轴、叶轮等部件的组成、功能，各部件的选型原则和关键点。

The supersonic free-vortex segment is usually employed to seal low-pressure laser-cavity.

自由旋涡气动窗口利用超音速自由旋涡来密封低压的激光腔.

The labyrinth seal of taper bush changes the structure of the sealing cavity so that solves the seal problem of the feeder effectively.

迷宫锥型套密封技术通过改变密封填料函的结构，有效地解决了加煤机轴密封技术问题。

Method: Open drainage and dental pulp cavity seal were adopted.

方法: 采用开放引流、髓腔封闭二种方法.