发布时间:2025-02-03 12:05:37
O型圈是一种截面为圆形的橡胶密封圈,因其截面为O型,故称其为O型橡胶密封圈,也叫O型圈。沟槽的尺寸:槽底直径,槽宽,槽深等数据。确定o型圈尺寸,如果是静密封,那一般可以这样来确认:槽底直径/1.04(拉伸率按4%计算)=o型
调节阀和截止阀区别在哪 调节阀的作用_结构原理_种类_流量特性知识大全
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