| 1. | When lifting heavy objects , you may strain your back 提重物时,要注意避免损害背部。 |
| 2. | Appropriate exercise helps to maintain back health and general fitness 提重物时,要注意避免损害背部。 |
| 3. | A problem has been detected and windows has been shut down to prevent damage 一个问题有被发现,而且窗户有被停工避免损害。 |
| 4. | Provide emi / rfi shielding and esd control for pcb assemblies 达到emi / rfi屏蔽标准,为集成电路和印刷电路板提供可靠的静电防护,避免损害 |
| 5. | A high quality barlow must be properly designed and manufactured in order to avoid compromising a telescope ' s color and spherical aberration corrections 一个高品质巴卢必须妥善设计及制造,以避免损害望远镜的颜色和球面像差改正。 |
| 6. | What remains to be demonstrated is whether in practice operators can routinely keep co2 leaks to levels that avoid unacceptable environmental and public health risks 剩下需要证实的是,实际操作是否可以控制住二氧化碳的渗漏情况,以避免损害环境与大众健康。 |
| 7. | The feedrate in tangential direction was adjusted by the fuzzy velocity controller for reducing the worst burrs and defects to obtain better quality contour 而模糊速度控制器被用来调节工具进给速度,从而彻底清除较大的毛刺,避免损害工件和刀具,得到理想的加工表面。 |
| 8. | Exercise can strengthen your muscles , and slow down the degeneration process . but you must be careful about movements that can injure your back , and be sure to do warm - ups beforehand 运动可强壮肌肉,减慢脊柱退化过程,但要注意正确的运动方法,避免损害背部,并要在运动前热身。 |
| 9. | For instance , if you have to lift a box from the floor and place it atop a table to your right , you should squat to lift the box , then stand up straight , and turn with your feet to place it on the table 提重物时,要注意避免损害背部。应将物体尽量移近,并利用腿部和肩部的力量,而且要量力而为。若要转身时,不可扭腰,应向适当方向踏步。 |