送交者: 4U4luC2 于 2007-01-20, 14:00:39:

回答: "众所周知?" 不过是无知罢了。 由 steven 于 2007-01-20, 02:09:01:

• no, orbital maneuver can only be done through main thrust. - steven (255 bytes) 2007-01-20, 16:05:48 (121719)

加跟贴