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据《无锡热处理》报导，无锡探矿总厂工程师王学渊发明的一项黑色磷化表面处理技术去年获得专利，该发明引起英美有关专家注意，被英美某些杂志刊登。该表面处理技术有如下几个特点：1）用该磷化液处理的零件其抗腐蚀性同碱性发黑比提高10倍；到色泽深，为墨黑色，有极高的装饰
According to “Wuxi Heat Treatment”, a black phosphating surface treatment invented by Wuxi Prospecting Factory Engineer Wang Xueyuan was patented last year. This invention has attracted the attention of Anglo-American experts and is published in some magazines in Anglo-American. The surface treatment technology has the following characteristics: 1) parts treated with the phosphating solution has a corrosion resistance of 10 times higher than that of the basic black; to the deep color, the black ink has a very high decoration