多数类型的上触式集电靴被在转向架的轴套之间的一个悬挂杆吊着。
Most types of top contact shoes simply hang from a beam suspended between the axleboxes of the bogie.
这些字帖卡片悬挂在我们课桌的金属杆上，就像许多小旗在教室里飘扬。
They were like little flags, waving all about the class, hanging from the rods of our desks.
进化的脊椎动物的背部就像一个水平杆，内脏就悬挂在这水平杆上。
The backs of vertebrates evolved as a kind of horizontal pole under which guts were slung.
应用推荐