“H65 黄铜管” “H68 黄铜管”
“H65黄铜板” “H68 ..
“H65 黄铜管” “H6..
“H65 黄铜线” “H..
“H65 黄铜棒” “H65..
“H70 黄铜带” “H80..
“H70 黄铜板” “H8..