车身设计中降低空气阻力的重点在于减小车辆的()和降低()的空气阻力系数。
参考答案:迎风面积、车身
Yaoming is Chinese basketball player in world ?[ ]
A. most famous , /
B. the most famous , the
C. famous , /
D. famous , the
()船板为六大精品钢材之一。
A、热轧板卷
B、冷轧板卷
C、宽厚板
D、涂层板