... 阀余隙 valve clearance 闭阀簧 valve closing spring 阀领 valve collar ...
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Rapid closing of the valve is accomplished fitting a heavy spring.
安装一根粗弹簧就可以达到迅速关闭阀门的目的。
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The results show that stiffness of spring does not affect the injection rate, but the mass of will affect the needle valve closing response time.
结果表明，电磁阀铁心弹簧刚度对喷油规律没有影响，但其质量影响针阀落座响应时间；
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