ball spring plunger
常见例句
- The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。 - FIGURE 7. The eccentric bias system, a patented system shown on the far left, is fundamentally different from other bias systems, including ball, plunger, and spring.
图7。 最左侧的偏心系统是一种专利系统，与其他偏置系统有根本性的不同，包括球、顶杆和弹簧。
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