欧美破苞系列二十三_艳主调教女m视频vk_把舌头伸进她的腿间花缝里_日本久久电影

德國(guó)牌號(hào)

?

?

CuZn39Pb2????代號(hào):CW612N???對(duì)應(yīng)中國(guó)牌號(hào):HPb60-2
主要成分:??Cu:58.5-60???Pb:1.5-2.5???Zn:???Fe:≤0.4???Al:--???Ni:≤0.3??Sn:≤0.2???雜質(zhì)總和％:≤0.2
?CuZn39Pb3????代號(hào):CW614N???對(duì)應(yīng)中國(guó)牌號(hào):HPb59-3
主要成分:??Cu:57-59???Pb:2.5-3.5???Zn:???Fe:≤0.5???Al:≤0.1???Ni:≤0.5??Sn:≤0.4????雜質(zhì)總和％:≤0.2
?CuZn40Pb2???代號(hào):CW617N???對(duì)應(yīng)中國(guó)牌號(hào):HPb59-1
主要成分:??Cu:57-59???Pb:1.5-2.5???Zn:???Fe:≤0.4???Al:≤0.1??Ni:≤0.4??Sn:≤0.3???雜質(zhì)總和％:≤0.2