When the cam is rotated or turned, the follower would be moved either right or left, or .
举一反三
- When the follower is on the base circle of the cam， the pump plunger is at the （） of its stroke.
- In the given situation, which one of the instructions is correct?The left handle has to be turned to the right, and then the right handle has to be turned to the left. A: Turn the handles left and right B: Turn the left handle to the right, then turn the right handle to the left C: Turn both handles in the opposite directions D: Turn the left handle to the left, then turn the right handle to the right
- 中国大学MOOC: Mr. Stone sat tight-lipped, until toward the end when he slowly turned to the right and then to the left, looking at each of us in turn as if he wanted to _________ the picture on his mind.
- When he got to the station, the train ________. A: was left B: had left C: has left D: would left
- ---When did he leave the classroom? --- He left ___ you turned back to write on the blackboard.