问题描述：
[单选]
The pressure of pilot air is usually（）than that of starting air．
A．higher
B．lower
C．low
D．high
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 pressurized air is usually cooled to increase the charge air（）．
下一篇：The power generated in the turbine must（）that required by the compressor．
- 我要回答: 网友(216.73.216.96)
- 热门题目: 1.在水平平面内，当曲柄的两个主 2.在水平平面内，当曲柄的两个主 3.当曲柄的Δ＝（＋）值时，该曲