Vehicle restraint systems . development of barrier transitions and terminals 车辆约束系统.路障转换和终端设置
2.
The knife holder is made of a light alloy to make the working light . while the end of piston is provided with a damper to mininize the shoke ai the time of working 使用轻合金之刀架,使剪切动作更为轻快,又活塞之终端设置一缓动器,使动作行程中,所产生的震荡减低到最低。