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1·In 1974 Hercules released the Wankel powered W2000 and were the first company to produce a motorcycle with a Wankel rotary engine.

在1974年公布的汪克尔大力神供电w 2000并且是第一家制造一种有汪克尔转子发动机摩托车。

2·The design of millimeter-scale rotary engine(Wankel) was introduced, which is quite different from large-scale engine's parts design and manufacture.

介绍了毫米级微型转子发动机（汪克尔类型）的设计，其在各零部件的设计、加工上和大尺寸的转子发动机存在很大的不同；