rotatings造句

例句与造句

1. the earth rotates once a day on its axis .
   地球绕它的自转轴一天旋转一周。
2. the earth rotates once every 24 hours .
   地球每24小时转一周。
3. molecules rotate and vibrate by virtue of their heat .
   分子因热效应而发生转动和振动。
4. the carriage feeds the tool while the workpiece rotates .
   当工件旋转时，拖板送进刀具。
5. so a separate rotating aerial is used for that purpose .
   为此需要用一种单独的旋转天线。
6. It's difficult to find rotatings in a sentence. 用rotatings造句挺难的
7. explain why the vanes rotate when they are illuminated .
   试解释：叶片被照亮时为什么会旋转。
8. the isoclinics rotate in the same sense as the polaroids .
   等倾线的转向与偏振镜的转向相同。
9. this large gear turns the small one to rotate the cylinder .
   这个大齿轮带动小齿轮使滚筒旋转。
10. seen from the earth, the sun rotates in about 27 days .
    从地球上观测，太阳的自转周期约为27天。
11. it can be used on rotating machinery and under water .
    它可以用于回转式机器，也可以在水下应用。
12. this drum is fixed to the road wheel and rotates with it .
    这个鼓轮固定在负重轮上，并随之转动。
13. the shaft and discs rotate at about forty revolutions per second .
    竖轴和磁盘每秒钟大约旋转40转。
14. the drum is rotated at 20 revolutions per minute for 10 minutes .
    圆筒以每分钟20转的速度转10分钟。
15. farmers rotate their crops so that the soil will remain fertile .
    为保持土壤肥力，农民搞作物轮作。
16. the cylinder is caused to rotate by means of a small electric motor .
    转动圆柱体是由小电动机带动的。
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