In a () engine the charge of air in the cylinder before compression commences is above atmospheric pressure.
时间:2019-04-14 01:42:32 关键词:of,air,inIn a () engine the charge of air in the cylinder before compression commences is above atmospheric pressure.
A.pressure charged
B.naturally aspirated
C.contaminated
D.high speed diesel
答案解析
A
举一反三