Give him something to chew on, such as a teething ring or a wet washcloth cooled in the refrigerator. He may also get some relief from eating cold foods, like applesauce or yogurt.
给点东西让他啃咬，比如一个橡皮环或者一条放冰箱里冻过的湿毛巾。
An O-ring seals the relief valve body to the main housing.
用一个O形环密封安全阀阀体与主外壳。
Remove the pressed in relief valve seat and seat O-ring.
拆卸压进去的安全阀阀座和阀座o形环。
In this paper, the method of pulsating hydraulic test to relief retaining ring stress is introduced.
本文介绍用油压脉动方法调整护环的宏观残余应力。
Remove the pressed in relief valve seat and seat O-ring.
阀座环通过密封焊接，消除泄漏通道。
Remove the pressed in relief valve seat and seat O-ring.
阀座环通过密封焊接，消除泄漏通道。
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