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编者同志: 关于贵刊所载的镀硬铬的工作介绍(三卷十一期),我有几个不明白的地方,希望予以解答。我们本是拉丝工厂,早在去年时我便向我厂的资方提出把镀铬用到我们拉丝业裹来(中略),当时因为缺乏理论根据, 所以延搁至今。现在见到了贵刊,正合我们的意思,因此提出几个问题,请你帮忙解决。我们拉丝使用的拉丝眼有两种,一种是硬合金,一种是油钢。这两种各有利弊:硬合金的价钱很贵,而且眼子大了便不能再使用了,不能有随意的大小,丝硬时便拔不过去。它的好处是能够保证质量上头是多大,下头也是多大。我厂现在使用的全是这一种。
Editors Comrades: Regarding the introduction of hard chromium plating contained in your publication (volume III, Phase 11), I have several things I do not understand and I hope to answer them. We were originally a wire drawing factory. As early as last year, I proposed to the owner of our factory to use chrome plating in our drawing industry (slightly omitted). At that time, it was delayed because of lack of theoretical basis. Now that you have seen your magazine, it is exactly what we meant. Therefore, I have asked you several questions. Please help with your solution. There are two kinds of wire-drawing eyes we use for drawing, one is hard alloy and the other is oil steel. These two kinds have their own advantages and disadvantages: The price of hard alloys is very expensive, and if the eyes are too big, they can no longer be used. They cannot be of random size. When they are hard, they cannot be pulled. Its advantage is to be able to guarantee how much the quality is, and how much it is. All of our plants are now using this one.