转盘中心移动油缸加长
centershift cylinder extension
转盘中心移动油缸加长连杆
centershift cylinder extension link
缸筒壁厚
thickness of cylinder hole
缸筒衬套平均凸起量
average cylinder liner projection
缸筒焊接组合
cylinder welding assembly
缸筒内径
Inner diameter of Hydro-pneumatic spring
inner diameter of cylinder