两个老头儿在外面街角迟迟不走，聊着牛的事情。Outside, two old boys lingered on the street corner discussing cattle.他用棍子碰了碰牛的肋部。He touched the cow's side with his stick.牛的选择性培育the selective breeding of cattle...
The process of anodizing lnvolves the deposition of further oxide on the surface.阳极电镀的工序就是在表面进一步附着氧化层.The Technology is also applies to the anodizing of common pure aluminium.该法也适用于一般纯铝的阳极氧化.The anodizing of ZL 102 alumi...