The fuel injector injects a fine spray of fuel into the hot air and combustion () producing much high pressure in the gases.
时间:2020-08-14 04:11:00 关键词:of,spray,theThe fuel injector injects a fine spray of fuel into the hot air and combustion (), producing much high pressure in the gases.
A.has begun
B.takes place
C.occurs
D.happe
答案解析
B