H 13钢芯棒毛坯在调质热处理后的校正工序中发生断裂，宏观断裂面出现萘状断口。
After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.
天钢高线厂集卷站的环行分配器、双臂芯棒、集卷门、内芯棒等都采用液压传动。
The circular distributor, double-arm mandrel, coiler door and internal mandrel of the coiling station in the High-speed Wire Rod Mill are driven by the hydraulic systems.
本文采用丙烯酸改性酚醛环氧树脂，并对以此树脂为基体，以DDSA为增韧剂所制成的玻璃钢芯棒进行了研究。
In this paper, through applying acrylic acid to modify phenolic epoxy resin, a new resin is derived. The FRP rod which is made of the new resin matrix and toughened by DDSA is studied.
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