planning of fiber optic systems 中文意思是什麼
planning of fiber optic systems
解釋
光通信系統的規劃-
For many years mr. song has taken part in planning, design and technical management of local telephone lines, fiber transmission systems and the beijing telecommunications network. he successfully developed a protective sub - tube of fiber - optic cable and a perforator for plastic tubes in telecommunications ducts, which are used widely across the country
長期從事市話線路、光纖傳輸系統和北京電信網的規劃、設計和技術管理工作,先後研製成功了光纜保護子管和電信管道塑料管穿孔器,並在全國得到普遍推廣。
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