Diesel oil may be used to cool () of a diesel engine.
时间:2019-04-14 04:39:16 关键词:be,used,mayDiesel oil may be used to cool () of a diesel engine.
A.cylinders
B.exhaust valves
C.pistons
D.fuel valve
答案解析
D
举一反三
Diesel oil may be used to cool () of a diesel engine.
A.cylinders
B.exhaust valves
C.pistons
D.fuel valve
答案解析
D