What is the central section of worm and worm gear mechanism?
A、Aplaneperpendicularthewormgearaxisandthroughtheaxisoftheworm;
B、Aplaneinthemiddleofthewormandwormgear;
C、Aplaneinthemiddleoftheworm;
D、Aplaneinthemiddleofthewormgear
发布时间：2025-07-20 18:38:54
