介绍钢锚杆杆通常形成了从冷的标题。
Introduction STEEL BOLTS are typically formed from rod by cold heading.
本文还介绍了中国煤矿玻璃钢锚杆的应用情况。
The application situation of FRP bolt at coal mines in China is also involved in.
一种高强度右旋螺纹钢锚杆，是由全螺纹钢筋和铸钢螺母构成。
The high-strength right-screwing threaded steel bolt is formed by full thread reinforcing bars and cast steel nuts.
应用推荐