The paper introduces a method to compute helicopter required power in detail from engineering application.
本文从工程应用角度出发，详细地介绍了直升机需用功率的计算方法。
The powder helix packing machine has the advantages of smaller required power, fast discharge speed and high discharge efficiency.
本实用新型具有所需功率较小、出料速度快、出料效率高的优点。
Each group of gas discharge lamps are combined to form an organic whole; the required power levels can be easily selected based on needs, so as to realize high-power lighting of gas discharge lamps.
将一组气体放电灯组合成一个有机整体，根据需要方便选择所需功率档次，实现了气体放电灯的大功率照明。
Each group of gas discharge lamps are combined to form an organic whole; the required power levels can be easily selected based on needs, so as to realize high-power lighting of gas discharge lamps.
将一组气体放电灯组合成一个有机整体，根据需要方便选择所需功率档次，实现了气体放电灯的大功率照明。
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