S1m0 is the involute of the base circle O1, and S1m1 is the involute of the base circle Oc.......

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The minimum turning diameter is actually a non-standa.......

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Qingdao Shansu Extrusion Equipment Co., Ltd. develops a new type of wood-plastic profile produ.......

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Bosch Automotive Diesel Systems Co., Ltd., China T.......

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O2O mode, as a hot topic in the lighting industry, its relationship with physical stores a.......

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At the end of last year, people had adopted a more cautious attitude when predicting the growt.......

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