1) spiral expander
螺线展幅辊
2) crimp roll ;expanding roller,spreader roll,spreading roller
展幅辊
3) threaded expander roll;screw expander roll;screw-shaped expander
螺旋扩幅辊
4) three-roll expander
三辊展幅机
5) web spreader
纸幅舒展辊
6) helix line development
螺旋展线
1.
By the study of automobile s headlight scatter angle,standard cross-section of tunnel and driving rule in tunnel,the different characteristics of vehicle s turning right and left,this paper work out helix line development s minimum radius of horizontal curve in freeway tunnel under different design speeds.
通过对汽车前灯散射角、隧道标准断面以及驾驶人在隧道中驾驶规律的研究,并考虑汽车左转与右转行驶的不同特点,计算出了不同设计速度下满足山区高速公路隧道内螺旋展线停车视距的圆曲线最小半径。
补充资料：辊辊
1.犹混混。形容苟且混世。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条