oil seepage的解释
油漏，油漏出
1. 油苗：oil saturation 油饱和率 | oil seepage 油苗 | oil shale 油母页岩
2. 润滑油渗漏：oil sealing gland 油封填料函 | oil seepage 润滑油渗漏 | oil seepage 油苗
3. 漏油：79. 挥发 volatile | 80. 漏油 oil seepage | 81. 沉渣 sediment
4. 油征候：oil separation 油分离 | oil seepage 油徵候 | oil seed 含油种子