计算机电缆DJYPVPDJVPVDJVPVPDJVVP平方0.5平方0.75平方1.0平方1.5平方两芯对绞编织（或铜带）分屏蔽、总屏蔽聚氯乙烯护套计算机电缆DJYVP2*2*0.75对数2X0.752X1.0外径mm重量kg价格外径mm重量kg价格19.619751669.921153552153609901.515.738810258.53164311377616.950714280417.755417650.519.554818301.5520.269021955.521.17962276462175026260.522.885027226.5721.88862940022.896831237.5823.59853444024.698035700925.710983874528.9107740162.51027.311974305028.91073446251228.113285166029.5121453550对数2X1.52X2.5外径mm重量kg价格外径mm重量kg价格110.81875607122365859