This includes a triangular pocket on its town facing side, which is covered in white sheet material and features aflap that can be opened to improve views.
这包括一个面向城镇的三角袋，它覆盖着白板材料，可以有效地打开视野。
2
In this paper, a simplified method is which can be used to predict the stability boundaries of the horizontal-axis wind turbine blade undergoing the flap-pitch coupling vibrations.
本文给出了预示水平轴风力机叶片挥舞—扭转耦合振动稳定边界的一种简单方法。
3
Conclusion the free forearm flap is versatile in the reconstruction of oral and maxillofacial soft tissue defects and it can bea first choice.