Multi-channel strategy performs powerful function and has strong advantages.
多渠道策略具有强大的功能和优势。
The signal device has the advantages of powerful function, convenient operation and low cost.
其特点是功能强，使用方便，成本低。
The utility model has the advantages of simple structure, low cost and reliable function.
本实用新型结构简单，成本低廉，功能可靠。
The utility model has the advantages of simple structure, low cost and reliable function.
本实用新型结构简单，成本低廉，功能可靠。
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