本文叙述了自动快速切削螺纹装置的工作原理，分析和计算了工作过程中主要机件的互相关系。
The article introduces the working principle of an automatic high speed thread cutting device, analyses and calculates the relation between the main parts of the device during processing.
视图主要用于表达机件的外部形状。
晴海街和靖国街是购物的主要街道，从便宜的纪念品到日本有名的昂贵科技机件，都可以在这里买到。
Shinjuku Dori Avenue and Yasukuni Dori Avenue are the main shopping streets and everything from cheap souvenirs to expensive technological gadgets which Japan is famous for can be bought here.
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