1＊4＊7/0.52礦用聚乙烯絕緣編織屏蔽聚氯乙烯護(hù)套通信軟電纜-MHYVRP
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,MHYVP,MHYPVP,MHYPVP22 礦用通信電纜型號(hào)-(MHYV,MH
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礦用信號(hào)軟電纜MHYVR(PUYVR)MHYVRP
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∑↙∮礦用監(jiān)測(cè)線|礦用監(jiān)控線_MHYVRP;MHYVP∮↗∑
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通訊建設(shè)工程預(yù)算定額中tx4 146整修電纜線路的解釋
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HYA23電話線31對(duì)32對(duì)33對(duì)34對(duì)35對(duì)36對(duì)37對(duì)38對(duì)39對(duì)40對(duì)
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