径向风风速风向
Radial wind speed and direction
盘磨机改造
Reconstruction of Refiner
冷却剂循环风机密封气体
coolant circulator seal gas
窑尾密封改造
modification of charge end sealing
助燃风机改造
combustion fan transformation
浅谈防爆柴油机的改造
Discussion on Rebuild of Ex Diesel Engine
E型中速磨煤机
E-type medium speed coal grinding mull
ZGM113中速磨煤机
ZGM 113 type medium speed coal pulverizer
船用中速机油
marine medium speed engine oil