青铜

• Shipbuilding - bronze 5k screw - down check angle valves
  造船.青铜制5k螺旋拧紧止回角阀
• Gram lights - orange - gold - bronze custom auto wheels
  革灯-橙-金青铜定制汽车轮子
• Of a moderate yellowish to olive brown
  青铜色的，古铜色的中等黄到黄褐色的
• Melting and casting characteristics of nickel aluminum bronze
  镍铝青铜的熔铸工艺特点
• J kind of flanged bronze 0 . 5mpa lift check valves
  J类法兰青铜0 . 5mpa止回阀
• There are two horses sculptured in bronze at the gate
  在大门口有两匹用青铜雕塑的马。
• Shipbuilding - bronze 5k globe valves union bonnet type
  造船.青铜制5k球阀
• Shipbuilding - bronze 5k angle valves union bonnet type
  造船.青铜制5k角阀
• No wax - lost casting craft at the bronze age in china
  中国青铜时代不存在失蜡法铸造工艺