external collision 外在冲击
Autobody and collision repair studies trains individuals to use technical knowledge and skills to repair. reconstruct and finish automobile bodies. fenders. and external features.
车身和碰撞维修专业的学生使用所学的技术知识和技能来修复，建造和完成汽车车身，挡泥板和外部器件。
After collision and grounding, the load - bearing capacity of a ship hull is weakened while the floating condition and the external load distribution of the ship may change dramatically.
在船舶发生碰撞和搁浅后，一方而是船体结构承载能力的削弱；另一方面是船舶浮态和外载荷分布的的著变化。
The utility model is convenient in use, the erasing head doesn't fall out easily, and the liquid in the bottle can not overflow because of external pressure extrusion, collision or inverted placement.
该产品的优点为使用简便，擦头不易脱落，容器内液体不会受外力挤压或碰撞或倒置而溢出。
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