- 注册
 - 2003-06-21
 
- 消息
 - 32,538
 
- 荣誉分数
 - 4,386
 
- 声望点数
 - 373
 
You are almost right, except, in a diesel engine, the fuel injection happens at about top of compression stoke - not top yet, but very close.
The other things is TDC is not the best term to use due to, in 4 cycle engine, there will be 2 times TDC - Compression stroke and Exhaust stroke.
details