结构“降板”是指“降低楼板或屋面板（板面）的结构标高”。
根据直升机起飞、着舰时所需的助降灯光使用要求，考虑电磁兼容性标准，详细介绍了灯光助降系统的主机板、电源板、驱动电路、故障检测电路等硬件设计过程。
On the basis of the need of the lamplight for the helicopter to take off or touch down at the warship, the standard of the electromagnetic compatibility is considered.
结果表明，与管式蒸发器相比，异形竖板降膜蒸发器更适宜于液体食品的蒸发。
The results indicated that the dimpled vertical plate evaporator was more appropriate for liquid food than the tubular falling film evaporator.
本文主要介绍了该塔板的基本结构、压降估算、塔内排列新方案以及应用实例。
This paper introduces the basic structure of the tray, calculation of pressure drop, arrangement in scrubber.
应用推荐