The ports are drilled in the liners at an angle of approx 20℃ the result being that () is given a rotary movement.
时间:2019-04-14 05:59:36 关键词:liners,the,atThe ports are drilled in the liners at an angle of approx 20℃ the result being that () is given a rotary movement.
A.the scavenging air
B.the exhaust gases
C.the mixed air
D.the spray oil
答案解析
A
举一反三