Flying - which represents the product groups trusses and trussing, Pipe battens, Air frames, Lighting Bridges.
吊挂-代表了桁架及桁架系统，灯杆，悬挂框架，灯桥。
The fourth part Study two kinds of new-type channel mode structure, namely the mode of monopolized shop and trussing up the mode of selling, analyse the structure characteristic of the channel.
第四部分研究了两种新型渠道模式结构，即专卖店模式和捆绑销售模式，分析渠道的结构特征。
The fourth part Study two kinds of new-type channel mode structure, namely the mode of monopolized shop and trussing up the mode of selling, analyse the structure characteristic of the channel.
第四部分研究了两种新型渠道模式结构，即专卖店模式和捆绑销售模式，分析渠道的结构特征。
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