这就妨碍了快速以太网成为一种好的主干网选择。
This prevents fast Ethernet from being a good backbone technology choice.
本产品适用于城市快速路：主干线、次干线、支路、工厂、学校、公园、住宅小区、庭院等道路照明。
This product is applicable to city express way: main trunk road, sub-trunk road, spur track, roads of factory, school and park, various residence roads and courtyard etc.
本产品适用于城市快速路：主干线、次干线、支路、工厂、学校、公园、住宅小区、庭院等道路照明。
This product is applicable to city express way:mian trunk road, sub-trunk road, spur track, roads of factory, school and park, various residence roads and courtyard etc.
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