弹簧性能的发生变化将会直接影响机械密封端面比压。
Changes in the spring performance will directly affect the mechanical seal face pressure.
膜盒是一种密封的弹簧绉纹管，可以感受大气压力的变化。
An aneroid is a sealed bellows which is sensitive to changes in atmospheric pressures.
单密封唇V形弹簧加强，适用于转轴圆度不佳或偏摆较大的密封。
Single lip with "V" spring reinforced, suitable for poor roundness and largely swung rotary shaft sealing.
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