发布时间:2025-01-19 20:57:16
决定OPGW产品价格的要素:芯数,承载截面积,短路电流容量,导电率。光有芯数价格不好准确。5-15元之间,截面从50-300之间。希望能够帮到您。
拍立得的拍出来的照片多少大小跟普通的5寸照片差不多嘛还是小很多求解
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