变速箱润滑油路安全阀体
transmission lubrication relief valve body
加氢处理润滑油基础油
hydrotreated lube base oil
hydrotreated lube base oils
加氢处理的润滑油基础油
hydro-upgrading lube base oil
集中润滑系统油压表
cetnralized lubrication pressure indicator
滚筒驱动齿轮箱润滑油油面
roller drive gearbox oil level
高速润滑油安全阀
high speed oil protection valve
干油润滑系统
grease lubricating system
干油集中润滑系统
grease concentrating lubricating system
centralized grease-lubricating system
grease concentrate lubricating system
改进的润滑油温度调节器密封垫
improved oil temperature regulator gasket