However, someone thinks that the optimum oil recovery mode of Lunnan oilfield should be hydraulic piston pump.

但有人对此提出了不同意见，认为该地区的机械采油应首选水力活塞泵。

youdao

Oil spills are never good news for anyone but both BP and Enbridge appear to be in recovery mode at this point.

FORBES: Good Week For BP But RIMM Didn't Fare As Well