Vacuum motor waterproof design installation, long service life.

真空马达防水安装设计，使用寿命超长。

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Combined with utilization characteristic of telecom building, it put forwards basement waterproof design and setting of common problems.

从设计角度，并结合通信建筑的使用特点，介绍地下室防水的设计及常见问题的处理。

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By the analysis for the social background of waterproof design the paper presents the basic reasons that confine the technology progress of waterproof.

通过对防水设计的社会背景分析，指出制约防水技术进步的根本原因。

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The initiative inspired several advances in laptop technology, in terms of features (flash memory instead of a spinning hard-drive), design (a laptop-to-tablet form and a waterproof keyboard) and price reductions.

ECONOMIST: Great idea. Shame about the mediocre computer