In some cameras of this type the drum is rotated at high speed.
在此种类型的某些摄影机中，鼓轮是高速转动着的。
If the normal, high-speed friction film and brake drum clearance.
若正常，可高速磨擦片与制动鼓间隙。
At the high load condition, change the rotating speed of steam or electricity feed water pumps to ensure the water level of the drum.
高负荷时通过改变给水泵转速改变给水量，用三冲量系统控制汽包水位。
The controller is applied to the overheat steam temperature system of drum boiler. The validity, the high-speed and the robustness of the control system are demonstrated by simulation results.
将该控制决策应用在锅炉过热汽温控制中，仿真表明该控制的有效性、快速性和鲁棒性。
On-site operation show that the high-voltage inverter for drum dry fan for speed energy efficiency, energy-saving effect is obvious.
现场运行情况表明，采用高压变频器对球团厂鼓干风机进行调速节能，节能效果是明显的。
On-site operation show that the high-voltage inverter for drum dry fan for speed energy efficiency, energy-saving effect is obvious.
现场运行情况表明，采用高压变频器对球团厂鼓干风机进行调速节能，节能效果是明显的。
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