Poison n Bolt 毒素弩矢
hexagon n bolt 六角螺栓
N-BOLT 沉头螺栓
foundation n bolt 地脚螺栓 ; 基础螺栓
Rock N Bolt 洛克脱走
junction n bolt 接合螺栓
expansion n bolt 膨胀螺栓
draw-in n bolt 拉紧螺栓
Fasteners, the bolt tightening torque of 65 n. M, shall not be destroyed.
采用的扣件,在螺栓拧紧扭力矩达65n . m时,不得发生破坏。
Bolt (n. ) metal secured into a drilled hole in the rock as means of protection. Often accompanied by a hanger, an eyelet to which a carabiner can attach.
一种金属器材,通常钉在岩石上作为保护点,上面有洞可以连接钩环。
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