large bolt rope needle 缝帆边绳大针
bolt rope stitch 帆边绳缝法
rope roof bolt 钢丝绳顶板锚杆
rope bolt 钢丝绳锚杆
long rope bolt 长锚索
N a rope sewn to the foot or luff of a sail to strengthen it 帆缘索 [nautical]
First: the position of the first bolt invariably leads to a greater Angle in the rope as the belayer stands away from the vertical plane.
第一:因为保护者站在离开岩壁的地方,第一把快挂总是导致通过它的绳子弯曲成很大的拐角。
Alternatively drop from bolt to bolt until there is enough rope to lower off!
也可以从一个又一个耳片下降,直到有足够的绳子可以做先锋撤退。
The main product has followed several types: Z1 type (stone soil, take the stone as the major and stone collapsed) : Bolt, support rope, steel mesh, the grid network.
主要产品有以下几种类型:Z1型(石夹土,以石为主、石崩):锚杆、支撑绳、钢丝网、格栅网。
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