40级内燃机油基础液
grade40internal combustion oil bodying agent
内燃机曲轴
The crankshaft assembly of the internal combustion
engine crankshaft
internal combustion engineering crankshaft
Crankshaft of Diesel Engine
内燃机强度
strength of internal-combustion engine
内燃机气门挺杆
Valve Lifters of Internal Combustion Engines
内燃机启动
Starting of Internal Combustion Engine
内燃机排气净化
purification of ic exhaustive gas
内燃机泥浆泵
internal combustion engine operated mud pump
内燃机能量贬值原理
Principle on Energy Depreciation in Internal Combustion Engine