Fuel injection valves should be taken out,
题型:单项选择题
问题:
Fuel injection valves should be taken out, cleaned, and lifting checked every ().
A.two to four months
B.four to six months
C.six to eight months
Fuel injection valves should be taken out, cleaned, and lifting checked every ().
A.two to four months
B.four to six months
C.six to eight months