running of the same cable reel, with rollers allowing them to act around the bend of the joint. Increasing the mechanical advantage of the joint is simply a matter of adding pulleys and rollers.
Yangtze Optical Fibre And Cable Joint Stock Limited Company engages in the production and sale of optical fiber preforms, optical fiber, optical fiber cables, and integrated solutions in China and ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果