It can be easily installed in various types of rotary valves, making it the electric valve or electric control valve.

它可方便地安装在各种类型的旋转阀上，使其成为电动阀或电动调节阀。

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Laboratory Rotary kiln consists of two parts: part one kiln body; part two electric control box.

实验室回转窑分两部分：第一部分是窑体；第二部分是电器控制箱。

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By control the electric motor's torque and rotational speed, electric energy will be changed into mechanical energy, then mechanical rotary motion and repeated movement are realized.

控制电动机的转矩和转速，将电能转换成机械能，实现机械的旋转运动或反复运动。

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Back then, it was the telephone, high-speed rotary presses, stereotyping, typesetting machines, color presses, rotogravure and the electric-telegraphic typewriter.

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