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wbn W by N = west by north 西偏北。

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The new district has independent public utility systems of water supply , drainage , heating supply , gas , wideband network ( wbn ) , cable tv , independent sewage and garbage disposal facilities 新區內有獨立的供水、排水、供熱、供電、燃氣、寬帶網絡、有線電視等公用設施系統,獨立設置污水處理及垃圾處理設施。

A new progress in wbn tacky granular anfo 增粘粒狀銨油炸藥的新進展