In a skyscraper, virtually every pipe and electricalconduit 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！)
2
Spiral electricalconduit 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。
3
The National Electrical Manufacturers Association (NEMA) has published FB 2.20-2007 Selection and Installation Guidelines for Fittings for Use with Flexible ElectricalConduit and Cable.