短语词组短语bearing g brass 轴承黄铜armature bearing brass 电枢轴承铜衬tin bearing brass 锡黄铜bearing brass cage 轴承黄铜笼子bearing brass washer 滚珠轴承铜垫圈ball -bearing brass washer 滚珠轴承铜垫圈brass s bearing 黄铜轴承 返回 bearing brass