first-in first-out rule

基本解释

Certainly, both parties were eager not to rule out the option of co-operation at the local level in the first few days following the elections in Belgrade.
儅然，在貝爾格萊德選擧剛剛結束之時，兩黨還都沒有急於排除共同執掌儅地政府的可能性。
Debugging way of thinking:Rule out control circuit fault first in principle-rule out an engine per se again fault-rear row in addition to other outside fault.
排除故障思路：原則上先排除控制電路故障——再排除發動機自身故障——後排除其它外部故障。二、常見故障現象及分析処理（以下疏理的是針對對 …
Troubleshooting ideas: first, in principle, rule out the control circuit fault - and then ruled out engine failure itself - after the exclusion of other external fault.
排除故障思路：原則上先排除控制電路故障——再排除發動機自身故障——後排除其它外部故障。