... back bolting 顶板锚杆支护 bolting cost 锚杆支架费 flange bolting 法兰毗连紧固件 ; 法兰连接紧固件 ; 法兰结构紧固件 ; 法兰联结紧固件 ...
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bolting g cost 锚杆支架费
Therefore, understanding the forced mechanism of soil anchor bolting to design competence, reduce project accident and reduce project cost has directive significance at present.
因此，了解土层锚杆受力机理对目前锚杆设计水平和减少工程事故及降低工程造价具有指导意义。
Tests show that the bolting method is simple in technology, easy for construction, lower in cost and reliable in safety with remarkable economic and social benefits.
试验证明该支护方法技术简单，施工方便，成本低，安全可靠，具有显著的经济效益和社会效益。
It is proved that the rock bolting is the most suitable supporting type for coal roadways in coal mines with high efficiency and low cost.
实践证明，锚杆支护是目前最适合煤巷的高效、经济的支护方式。
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