短语词组短语labyrinth h piston 迷宫式活塞labyrinth h piston compressor 迷宫式活塞压缩机labyrinth piston compre or 迷宫式活塞压缩机labyrinth piston compressor 迷宫式活塞压缩机;迷宫活塞式压缩机;迷宫活塞式压缩机英语;翻译piston labyrinth 活塞迷宫式密封 返回 labyrinth piston