CONTACT DERMATITIS CAUSED BY PREVENTION MEASURES DURING THE COVID-19 PANDEMIC: A NARRATIVE REVIEW




Adjustment of processing parameters error of planar enveloping hourglass worms based on the deviations of feature lines

Planar enveloping hourglass worm (TP worm) with better load capacity and transmission efficiency is a type of transmission superior to traditional cylindrical worm.It could be used to lightweight design.As the flank of the worm is a complex toroidal surface, higher demands are needed for the manufacture and the assembly.This paper proposes a new pr

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