变速箱加长壳体
transmission extension housing
砾石充填带眼加长短节
gravel pack perforated extension
滤清器加长线束总成
filter extension harness assembly
扭力扳手加长工具
torque wrench extension tool
热缩加长刀杆
Lengthened Shrink-fit Holder
转盘中心移动加长连杆
centershift extension link
转盘中心移动油缸加长连杆
centershift cylinder extension link
长行程135柴油机
long-stroke diesel engine
长行程液压不压井起下作业装置
long-stroke hydraulic snubbing unit
长行程液压修井机
hydraulic long stroke snubber