车辆碰撞护栏的运动轨迹应能圆滑过渡，以较小的驶离角和较小的回弹量停留在不影响车辆正常行驶的地方。
The trajectory of vehicle barrier crash should be able to stay in the smooth transition, does not affect the normal running of the vehicle to leave the springback Angle and the smaller the.
不锈钢管件的定位焊起弧和结尾处应圆滑过渡，焊道不能太高，必须保证熔合良好，以防产生未焊透、夹渣等缺陷。
The positioning welding stainless steel pipe shall be smooth transition arc and weld end, can not be too high, must ensure good fusion, produce unweld, slag and other defects in case.
性能：两种材质 进口XW-5材料 硬度HRC60以上，硬质合金HRC93以上优点：超精密加工，外形圆滑过渡，内孔及R角镜面研磨。
XW-5 HRC60, Tungsten carbide HRC93Merit: The ultra precise processing, the contour smooth transition, in Kong R the angle mirror surface grinds.
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