BS250-063-177标准型初始力2650N***大充气压强15Mpa缸筒直径38mm活塞杆直径15mm行程63mm总长177mm型号行程S总长LLminBS250-010107060BS250-013137663BS250-016168266BS250-0252510075BS250-0383812688BS250-05050150100BS250-06363.5177113.5BS250-08080210130BS250-100100250150BS250-125125300175)