问题描述：
[单选]
Which factor of the following affects not only the fuels combustion but also the engine’s maintenance？
A．cetane number
B．flash point
C．viscosity
D．setting point
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：Which of the following can be directly obtained by means of an indicator card？
下一篇：Which cause of the following can lead to the engine not to start on air？
- 我要回答: 网友(3.149.230.10)
- 热门题目: 1.柴油机气缸盖的结构特点是（） 2.气缸盖的结构形式繁多，随机型 3.气缸盖是柴油机的（）和燃烧室