Other types of transmission in mainstream automotive use are the automatictransmission, semi-automatictransmission, and the continuously variable transmission7.
主流汽车上使用的其它类型变速器有自动变速器、半自动变速器和无级变速器。
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The products are widely used in automatic and semi-automatic equipment transmission areas, like transportation, printing, packaging, medical, food, electronics, machine tools and manipulator ect.