Therefore, it is necessary to analyze and calculate the performance of the tower when it is exerted pull, press, torsion and wind load in order to design a stable, secure and reliable tower.

因此为了设计出运行稳定、安全、可靠的塔架，分析计算塔架受拉、压、扭转力和风载作用下的特性是有必要的。

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Introduces the intelligent air conditioning system of Shenzhen Special Zone Press Tower, and describes its operation, modulation method and energy saving effect.

介绍特区报业大厦智能化空调系统，说明其运行、调节方式及节能效果。

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Application: Main shaft of machine tool, auto steering structure, main shaft of lathe, grinder, milling machine, drill press, water power dynamotor, tower crane, screw shaft and so on.

应用领域： 车床，磨床，轧机，钻压机，水力发电机，塔吊，螺杆轴的主轴，汽车转向装置等。

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The first event at the Landmark Tower is closed press, and the second event at the Julia Morgan Ballroom is print pool for remarks only.

WHITEHOUSE: President's Schedule