输送机系统回油
conveyor system return oil
气流输送系统
Pneumatic conveying plant
airflow transportation system
输送机输送带张力调整
conveyor belt tension adjustment
机械驱动传动系机油系统简图
direct drive power train oil system schematic
浇注系统流量系数
Flow coefficient of gating system
压力补偿系统油流量
pressure compensated system oil flow
变频调速输油系统
variable frequency adjustable speed oil transportation system
超纯气体输送系统
Pipeline system of ultra-pure gases