The research into the change law of the air temperature in the intakeshaft is an important foundation of the same research in other working places in the mine.
矿井进风井筒风流温度变化规律的研究是井下其他工作场所风温变化规律研究的基础。
2
In the engine, cams on the CAM shaft cause the intake and exhaust valves to open.
在发动机中，凸轮轴上的凸轮控制进气门和排气门的开启和关闭。
3
Air flows in the left side of the timing shaft and is distributed to the cylinders as before through the two left intake ports.