阀座碟簧提供了连续的机械压力，保证热应力变化时球体与阀座始终密合。
The valve saucer reed offers the continuous mechanical pressure, guarantee the spheroid and valve seat are closely fitted all the time when the hot stress changes.
阀座碟簧提供了连续的机械压力，保证热应力变化时球体与阀座始终密合。
The valve saucer reed offers the continuous mechanical pressure, guarantee the spheroid and valve seat are closely fitted all the time when the hot stress changes.
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