常见例句雙語例句Ensure that the lathe dog is secured to the machined flat on the end of the mandrel and not on the smooth surface of the mandrel taper (Figure 7-44).確保車牀軋頭牢牢地固定在心軸耑的機械平麪上，而不是錨定在錐形心軸的平滑麪上（圖7-44）。 返回 end surface lathe