To save power and productive efficiency by using quick-return characteristics of planar linkage, this paper discusses the quick-return characteristics of planar linkage.
为利用平面连杆机构的急回特性节省动力和提高劳动生产率，讨论了平面连杆机构的急回特性。
To save power and productive efficiency by using quick-return characteristics of planar linkage, this paper discusses the quick-return characteristics of planar linkage.
为利用平面连杆机构的急回特性节省动力和提高劳动生产率，讨论了平面连杆机构的急回特性。
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