奷小罗莉在线观看国产-国产在线精品无码av不卡顿-国产色a在线观看-超碰资源在线-99在线精品一区二区三区-性大片免费视频观看-久草热久草热线频97精品-欧美在线综合-人妻丰满熟妇av无码区动漫-九九热在线精品-亚洲国产精品无码中文字2022-精产国品一二三产区9977-国外av在线-亚洲性av网站-亚洲高清天堂

Rail transit industry
Ship and marine engineering
  • GW series
  • GV twin-engine parallel operation series
  • GC series
  • GA/GQ series
  • Marine engineering
Wind power
  • Step-up box
  • Yaw gearbox
  • Paddle gearbox
Energy equipment
  • Nuclear power
  • Light and thermal power generation
  • Roller mill
  • Crusher
Building material
  • Vertical mill
  • Roller squeezer
  • Cement mill
  • Cement kiln
Metallurgy
  • Hot-rolled gearbox
  • Cold-rolled gearbox
  • Rod-Wire gearbox
Hydraulic engineering
  • Climbing lifter
  • Ship lifter
Rail transit
  • Turnout
  • Tramcar
  • Monorail
  • Subway
Coupling
  • Coupling
  • Shock absorber
Engineering equipment
  • Shied machine
  • Shale gas
  • Coal mine machinery
Turnout

Its drive device provides power for the switch of the turnout system to ensure that the turnout beam switches according to the prescribed line shape, so that the turnout in the straight line and the line under the switch state meets the operating requirements.