1. 我們使用哪種潤滑劑，主要取決于軸承的轉速如何。
   The sort of lubricant which we use depends largely on the running speed of the bearing.
2. 扁柱，夾條，凹字形楔一種平的或有凹的經(jīng)常是一塊楔形的木頭或金屬，用來在一定地方夾住機器或結構的各部分或提供軸承的表面，通常是由螺絲或鑰匙來調整
   A plain or notched, often wedge-shaped piece of wood or metal designed to hold parts of a machine or structure in place or provide a bearing surface, usually adjusted by a screw or key.
3. 鉆石小的天然的或人造寶石，用作手表中的軸承
   A small natural or artificial gem used as a bearing in a watch.
4. 當軸旋轉的時候就把油濺入軸承。
   In rotating, the shaft splashes oil up into the bearings.

軸的英語翻譯：

承的英語翻譯：