黑色尼龙光弦Black Nylonstring 尼龙弦芯 Nylon Core 镀银铜合金缠弦 Silver-Plated Copper Alloy Wound 涂层铜合金缠弦 Coated Bronze Alloy Wound 塑料袋 Plastic Bag E-1st B-2nd G-3rd D-4th A-5th E-6th.028 032 .040 030 .035 .043 inch 0.71 0.81 1.02 0.76 0.89 1.09 mm
