In a skyscraper, virtually every pipe and electrical conduit is designed (though the positions of the walls sometimes aren't!)

事实上，一幢摩天大楼里的每一根管道和电缆管都要设计(尽管有时不设计墙的位置！)

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Spiral electrical conduit to convert the field using mobile light beam lights and high beam, to meeting the standards of precision automotive and can be reused.

螺线形电导管利用移动光栏来转换近光灯和远光灯，能满足汽车的标准精密度并且能够重复使用。

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The National Electrical Manufacturers Association (NEMA) has published FB 2.20-2007 Selection and Installation Guidelines for Fittings for Use with Flexible Electrical Conduit and Cable.

美国国家电气制造商协会出版了FB 2.20 - 2007用于电气管道和电缆配置的选择和安装手册。

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Indian Head, however, finding that the manufacturer of metal electrical conduit may have violated antitrust laws by recruiting hundreds of allies to pack a standard-setting body that banned plastic conduit from fire codes.

FORBES: Liberty Media Unit Says Standards Manipulated By Competitors