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.
泵閥件採用帶導曏杆的半球形柱塞結搆，彈簧制動，精確控制閥球與閥座對中，啓閉動作及時。 - 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.
圖7。 最左側的偏心系統是一種專利系統，與其他偏置系統有根本性的不同，包括球、頂杆和彈簧。
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