spiral-ribbed roll的意思|示意
美 / /
英 / /
spiral-ribbed卷
spiral-ribbed roll的网络常见释义
螺旋凸棱辊 ... spiral reinforcement ==> 螺旋钢筋 spiral-ribbed roll ==> 螺旋凸棱辊 spiral ring ==> 螺旋环 ...