翻译一下: The piston starts at the top. The intake valve opens,the pistion moves down and sucks air and fuel into the cylinder. In a diesel engine only air is sucked into the cylinder.
The piston starts at the top. The intake valve opens,the pistion moves down and sucks air and fuel into the cylinder. In a diesel engine only air is sucked into the cylinder. 活塞从顶部开始。进气阀打开,活塞向下运动,将空气和燃料吸入气缸。在柴油机中,只有空气被吸入汽缸。