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Big potential of wireless technology in China market
By Shenzhen Howdeep Technology Co.,Ltd
Problems to be solved on the road of AMR popularization
By Shenzhen Hanguang Electronics Technology Co.,Ltd
A kind of water meter can measure refluent flow
By Shandong Weiwei Technology Co.,Ltd
Selection of flowmeter in city sewage farm
By Beijing North branch of Beijing City Drainage Group
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