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·全系標配比例背壓閥
Full system standard proportion-al back pressure valve
·滾輪式料斗滑道
Roller Hopper Slide
·系統(tǒng)壓力提升到17.5Mpa
The system pressure is raised to17.5Mpa
·主動力管非焊接技術
Non-welding technology of mainpower pipe
·新型石墨自潤滑鋼套
New graphite self-lubricatingsteel sleeve
·甬華標準外觀升級
Yonghua standard appearanceupgrade