A charge of fresh air is drawn into the engine cylinder and then () by the moving piston() very high pressure.
时间:2019-04-14 02:46:48 关键词:into,drawn,engineA charge of fresh air is drawn into the engine cylinder and then () by the moving piston() very high pressure.
A.pressed;to
B.pressurized;with
C.pushed;in
D.compressed;to
答案解析
D
举一反三