Compared with the traditional methods, such as embedded fixation, hole casting, bolt connection and welding, Haihang nail fastening technology has many advantages.

海行射钉紧固技术与传统的预埋固定，打洞浇注，螺栓连接及焊接等方法相比，具有许多优越性。

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In this paper, in order to improve reliability and repetitive-use properties of titanium fastening piece, microplasma oxidation method had been advanced on the surface technology.

本课题针对钛合金紧固件摩擦学性能的改善，将微等离子体氧化技术应用在钛合金紧固件表面改性上，以提高其可靠性和重复使用性。

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Germany skilled, advanced manufacturing processes and technologies, focus on the large nut fastening bolt, disassembly of hydraulic technology and practical application of driving force.

以德国精湛、先进的制造工艺和技术为依托，专注于大型螺栓螺母紧固、拆装科技及液压实用动力的运用。

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