... 无人驾驶机车 unmanned engine 无效运输 ineffective traffic 五孔压油机 five way mechanical lubricator ...
双语例句
1
Many steps have been taken to relieve the pressure on traffic, pitifully some of which are ineffective.
已经采取了很多步骤去见减轻交通方面的压力，很遗憾，这些之中有些无效。
2
As a result, anomaly detectors tested against simulated data and found effective may prove ineffective when deployed in real networks monitoring real traffic, he says.