着火延迟期
参考答案：
从火花塞电极间跳过火花开始到形成火焰中心为止这段时间称为着火延迟期。
The PPC was founded on __________. Thanks to our Party, we're living a happy life.[ ]
A. July 1st, 1921
B. August 1st, 1928
C. October 1st, 1949
D. May 4th, 1919
DIC时血液凝固障碍表现为
A．血液凝固性增高
B．纤溶活性增高
C．纤溶过程亢进
D．凝血物质大量消耗
E．溶血性贫血
