1)expansion shell bolt,胀壳式锚杆2)expanding shell bolt,胀壳式锚杆3)sleeve bolt,胀壳式锚杆4)plastic expansion shell,塑料胀壳5)plastic shell expanding,塑料胀壳式6)expansion shell rock bolt,胀壳式张拉锚杆7)expansion shell type heater,膨胀壳式加热器
用法例句
Application of bolts with plastic expansion shell;
塑料胀壳式系列锚杆及其应用
The plastic shell expanding grouting bolt is designed for small anchor hold,roof leaking and wall slicing and so on of bolt timbering appearing in soft wall laneway.
