常見例句雙語例句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(dǎo)曏桿的半球形柱塞結(jié)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(cè)的偏心系統(tǒng)是一種專利系統(tǒng)，與其他偏置系統(tǒng)有根本性的不同，包括球、頂桿和彈簧。www.sz-mingxiang.com 返回 ball spring plunger