lele884422的答复: 2017-09-05
5TC3、62.5420Cr.8190-1锡黄铜8.6铬钒.9Cr14;厘米3材料名称密度克/、90黄铜8、LY62.21Cr18Ni11Si4A1Ti7.2~7、LF112、Zn2.859-4.52LF5、LD302.8567-2.4TA84.455锰青铜8、铁黄铜8、TB24.80锰黄铜8.43Cr13Ni7Si28、4-3锡青铜8、2Cr13、6.855铝青铜8