大家在查：方中延胡索帆动年制 Cantos Hernando PteBergdahl 需要精确 Brasi 克里斯蒂娜·博耶托业务企业

principal shaft

美英

un.主轴

principal shaft

principal shaft

principal shaft

1

the stored energy transformer includes an energy storing ear, a principal shaft, a plane rolling spring, a ratchet wheel device and a shell ;

储能转换机构由储能齿轮、主轴、平面窝卷弹簧、棘轮机构、和壳体组成；

热词推荐

大家在看