| 1. | It consists of a pair of concentric cylinder . 它由一对同轴的圆筒组成。 |
| 2. | The valve lifter, a round cylinder, rides on the cam . 气门挺杆为一圆筒体,坐落在凸轮上。 |
| 3. | It moves down at the center of the fixed cylinderical vessel . 它在固定圆筒容器的中心下移。 |
| 4. | 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。 |
| 5. | Mirrors attached to the rollers form part of an optical system . 装在圆筒上的小镜是光学系统的一部分。 |
| 6. | The rotating cylinder with spiral grooves acts as a speed selector . 螺旋切口的旋转圆筒作为速率筛选器。 |
| 7. | Changing the rate of cylinder rotation changes the speed selected . 改变圆筒旋转速率就改变被筛选的速率。 |
| 8. | The wall consists of an array of fiber-glass cylinders filled with water . 这种墙由一排装有水的玻璃纤维圆筒组成。 |
| 9. | The molecules of air would bombard all sides and both ends of the cylinder . 空气的分子会撞击圆筒的整个筒壁和上下两端。 |
| 10. | This type of sand body is characterized by a cylinderical self-potential curve . 这种砂体以呈圆筒状自然电位曲线为其特征。 |