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研究连续油管钢循环应力-应变行为发现：相同试样在不同的恒应变幅下，表现出不同的循环特征。
To study of coiled tubing steel cyclic stress-strain behavior was found that: the same sample at different constant strain rate, the performance of cycle characteristics is different.
框架材料： 5英尺1英尺3 / 4 “胶合板大陆架减少了一半。油管钢箱梁焊接头管，另一管钢箱梁焊接的体壳的所在地管。
Frame Materials: 5 foot by 1 foot 3/4" plywood shelf cut in half. steel box tubing welded to head tube, another steel box tube welded to a BB shell and to a seat tube."
不锈钢波纹膨胀管、挠性软管、补偿器、金属软管，回油管，网套管。
Flexible Hose, Compensator, Oil Return Tube, Flexible Pipe, Metal Pipe, Stainless Steel Corrugated Expansion Pipe.
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