The reduced requirements were mainly due to the lower use of petrol, oil and lubricants and the decreased need for spare parts for vehicles as a result of the reduction in the number of contingent-owned vehicles following the drawdown of the military force.
20. 所需经费减少主要是因为，在军队兵力缩减之后，特遣队所属车辆数量减少，汽油、机油和润滑油使用量减少，而所需的零备件也减少。