The laser surface alloying of Al piston intermediate test producation line was studied.
论述了在铝活塞激光表面合金化中试线的研究。
The piston rod includes an intermediate rod, that allows quick assembly & disassembly.
活塞杆与介杆为卡箍连接，可实现快速拆卸。
The piston rod includes an intermediate rod, that allows quick assembly & disassembly.
活塞杆与介杆为卡箍连接，可实现快速拆卸。
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