问题描述：
[单选]
The 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
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：The position of the interface between oil and water within the centrifuge is achieved by the use of（）．
下一篇：The plunger in the fuel injector pump， usually operated by a（）， is driven up and down when working．
- 我要回答: 网友(3.133.155.253)
- 热门题目: 1.要充分利用排气余热而降低废气 2.现代柴油机排烟温度下降，不利 3.在四冲程柴油机动力装置中，废