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China/Asia On Demand
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gong zi gang ti xing ke suo xing zhi jia
Author(s): 
Pages: 24-26+59
Year: Issue:  1
Journal: Coal Science and Technology

Keyword:  矿用工字钢梯形可缩性支架支架结构承载能力摩擦块力学性能试验工作阻力支架顶梁可缩量构件;
Abstract: 总结螺栓连接式和楔块连接式两种工字钢梯形可缩性支架的结构形式、工作原理、支架力学性能试验和在煤矿的实际应用。
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