Second, for those valuables, we can advance to the protection, protection is to add some plastic foam to the surface, to avoid collision damage, but also can save the real moving time.
第二，对于那些贵重物品，我们可以事先就去对其进行保护，也就是加上一些塑料泡沫等进行表层的防护，避免出现碰撞破损，还能够节约真正搬家时候的时间。
In the cement pavement construction, application of plastic cover, to prevent contamination of the surface damage of cement slurry, the surface pattern and writing.
在水泥路面施工时，应用塑料膜将井盖盖好，以防止水泥浆沾染表面，损伤表面花纹、字迹。
Giving an imitation of traditional plastic theory , a damage surface model on brittle rock about temperature in stress-space is introduced and the evolutionary law is discussed qualitatively.
参照经典塑性力学的屈服面理论，引入了温度作用下应力空间中脆性岩石的损伤面模型，定性地讨论了荷载和温度影响下损伤面时的演化规律。
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