The diesel engine must be started before it can run by it self For this purpose () has to be used.
时间:2019-04-14 22:35:44 关键词:before,started,canThe diesel engine must be started before it can run by it self For this purpose () has to be used.
A.a starting system
B.the starting air
C.a starting operation
D.A, B and C
答案解析
B
举一反三