n 单词复习： 1. engine lathe 2. carriage/stop 4. piston 5. turret 6. Cross slide 7. forging/bar stock 8. collet/chuck 上一课回顾 1Lesson 10 Motors and Drivers 电机和驱动 重点词汇： n diesel di:zl n. 柴油机 n synchronous /asynchronous eisikrns n angular velocity n strip 带、条 n slider-crank 曲柄滑块 n gasoline engines 汽油机 n pneumatic nju(:)mtik 气动的 2Paragraph 1 n All of the mechanisms will require some drivers to provide the input motion and energy. n There are many possibilities. n 所有机构都需要某种形式的驱动装置提供动力和运动 。有许多种选择。 n If the
