This machine is developed by advanced technology. Adopting U. K. steel wire track and imported cylinder, capability and life of this machine is greatly improved.
该机采用先进工艺制造，使用英国产钢丝跑道，进口针筒，大大提高了机械的性能及使用寿命。
Single cylinder with imported balance valve for front support elevation hoist down by gravity low energy consumption.
单缸前支前幅，重力下降，能耗低，进口平衡阀。
This article introduces the V type adjusting hydraulic cylinder mechanical lock equipment of casing and coupling production line which imported from PMC. USA.
介绍了从美国PMC公司引进的套管接箍生产线中V型座调整机构的液压缸机械锁定装置。
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