The main drawback of the DF-31, apart from the shorter range when compared to the DF-31A, is the lack of an off-road capability.
与东风- 31 A相比除了射程短之外，东风- 31的主要缺点在于缺少非公路的机动能力。
Off-road capability is further improved by optimization of approach and departure angles, coupled with a generous 225-mm ground clearance.
越野能力已进一步改善的方法和离去角的优化，以慷慨的225毫米的离地间隙耦合。
But although the road-mobile launcher has some off-road capability, it requires solid ground when launching to prevent damage from debris kicked up by the rocket engine.
然而，虽然道路机动发射装置有一定的越野能力，但在发射时也需要有坚实的地面，以防止火箭发动机激起的碎片造成破坏。
The TEL vehicle appeared to be only suitable for road travelling, with little, if any, off-road travelling capability.
TEL车辆似乎仅仅适合用于公路行进，如果真具有的话，可能具有少许越野行进能力。
The TEL vehicle appeared to be only suitable for road travelling, with little, if any, off-road travelling capability.
TEL车辆似乎仅仅适合用于公路行进，如果真具有的话，可能具有少许越野行进能力。
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