Many time you do not have to inspect steeliness caterpillarband such likely, near distance inspection rubber caterpillar band's attrition.
很多时候你没有像检查钢制履带那样，近距离地检查橡胶履带的磨损。
2
When you inspect the caterpillarband and chassis's time, as soon as do not forget to drive again the inspection the getting off an aircraft perquisite gentle cleanliness.