The size of the exhaust valve opening is __________________.

职业资格 公共英语 已帮助 人

A.most critical in a four-stroke cycle diesel engine

B.most critical in a two-stroke/cycle diesel engine

C.most critical in a four-stroke/cycle diesel engine if it is turbocharged

D.of equal importance in a two-stroke/cycle diesel engine as in a four-stroke/cycle diesel engine

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。