About the supply voltage, frequency, capacity factor of the fan and motor, specification of coil pipe, kinds of humidifier, form and efficiency of air filter, caliber and direction of pipe and etc.
对风机及电动机的电源电压、频率、功率，盘管规格，加湿器种类，空气过滤器形式及效率，配管口径及方向等有要求时请注明；
The conveyor motor shall be driven by a VFD per the Electrical Specification complete with encoder, gearbox, couplings, and mounting hardware.
输送机驱动马达应每VFD电气规格与编码器，齿轮箱，联轴节，安装硬件的完整驱动。
The results of research and manufacture show that if fulfils the specification of aero high voltage REPM DC motor after commutation problem is solved, and it is possible to use traditional structure.
解决了高空换向难题之后电动机能满足航空电机的技术要求，采用传统的有刷结构是完全可行的。
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