他给自己的自行车上了油，给轮胎充了气。

He oiled his bike and pumped up the tyres.

《牛津词典》

多氯联苯的浓度必须根据所有充油电气设备指定处置。

PCB concentrations must be determined in all oil-filled electrical equipment designated for disposal.

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应该假设任何充油电气设备(变压器或其他电器设备)的不断含有多氯联苯将进行调整。

It should be assumed that any oil-filled electrical equipment (transformer or other electrical equipment) that ever contained PCBs will be regulated.

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