labyrinth piston meaning in English

迷宫式活塞
卸荷活塞

A reciprocating compressor using labyrinth seal ( labyrinth piston compressor , lpc ) can compress and transport gases in an oil - free way . it has many advantages , such as non - lubricated maintenance , no friction loss , no hot spots , minimal wear and tear , and so on
采用迷宫密封的往复式压缩机可以完成洁净气体的压缩和输送,具有压缩过程无润滑、无接触摩擦、气体无污染、安全可靠等优点。