Most of the world's factories that produce HFC are in China.
全球多数产生氢氟烃的工厂都在中国。
HFC broadband access network is an effective solution to the problem.
HF C宽带接入网是解决这一问题的有效途径。
Upstream communication is the key in the construction of HFC access network.
HFC上行通信是构建宽带HFC接入网的关键。
Upstream communication is the key in the construction of HFC access network.
HFC上行通信是构建宽带HFC接入网的关键。
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