免费注册 手机版 网站地图 小工具

学而优·知识库

首 页
The working cycle of a four-stroke diesel engine consists of four events: (1) compression; (2) expansion; (3) exhaust; (4) suctionThe correct sequence is _____.
A.(4)-(2)-(3)-(1)
B.(4)-(3)-(1)-(2)
C.(4)-(3)-(2)-(1)
D.(4)-(1)-(2)-(3)
参考答案

关闭

前往注册

我已注册,登录账号 继续查看答案