pin gearing造句

• On the basis of the cycloid pin gear reducer , the paper develop a creative ~ miniature transmission device ? planetary pin - ring transmission which guarantee its inherent excellence
  本论文以摆线针轮行星减速器为原始机型，在保证其固有优点的前提下，研制开发出创新微型传动装置? ?柱销环行星减速器。