Brick retaining ring is functioned as a stopper for axial sliding of lining bricks and increasing the rigidity of kiln shell.

挡砖圈具有阻挡砖的轴向滑动和增加筒体刚度的作用。

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The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc.

阀由警戒装置、弹簧、阀碟、扣环和阀座组成，可以和许多管件连接，如缩径管接头、排水弯头等。

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The retaining ring is a main equipment of the power generator, it is used to tighten the end of the loop, and overcome the influence of the centrifugal force.

护环是发电机的重要设备，用来卡紧线圈端部，克服离心力的影响。

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