At the same time, take a short trip valve flap design.
同时，采取短行程阀瓣的设计。
A triangular fold or flap of a heart valve.
这是一个先天性的两瓣叶主动脉瓣。
Valve flap and valve seat for the soft seal, seal performance, no leakage.
阀瓣与阀座为软密封，密封性能好，无泄露。
Valve flap and valve seat for the soft seal, seal performance, no leakage.
阀瓣与阀座为软密封，密封性能好，无泄露。
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