17钢外管
316dlc涂层有两种样式一个带螺纹 一个不带
两种刻字细节已拍
全新明盘210一个
http://picapp.sdgun.net/pic/20250612/174971374353314238.jpg
http://picapp.sdgun.net/pic/20250612/1749713743765124667.jpg
http://picapp.sdgun.net/pic/20250612/1749713744000017179.jpg
http://picapp.sdgun.net/pic/20250612/1749713744234250538.jpg
http://picapp.sdgun.net/pic/20250612/174971374446716129.jpg
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