...电缆pe insulated pvc sheathed communication cables for coal mine 用于井下平巷、斜巷及机电硐室作普通信号传输used in level; or slanted channelspower house 煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆pe insulated pvc sheathed communication cables for c...
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...munication cables for coal mine 用于井下平巷、斜巷及机电硐室作普通信号传输used in level; or slanted channelspower house 煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆pe insulated pvc sheathed communication cables for coal mine ..
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