1、氣缸零部件:前蓋、后蓋、活塞、軸心
2、接頭零部件:金屬本體、調速接頭、彎型接頭、直立接頭
3、電磁閥:動鐵芯、閥芯、匯流板
cylinder parts: front cover, back cover, piston, axial joint parts: metal body, speed control joint, bending joint, vertical joint solenoid valve: moving iron core, valve core, confluence plate