| 摘要 |
<p>A b s t r a c t A vehicle attachable to a further vehicle wherein at the head the vehicle has an opening, out of which a sheath can be slipped, whose outer end can join a corresponding sheath of the further veclicle and whose inner eind communicates with the corridor across the vehicle, the sheath being supported by the vehicle so that the sheath is capable of performing a limited rotary movement about three orthogonal axes.</p> |
