The salvage operation went on.

抢救作业继续进行。

《柯林斯英汉双解大词典》

It was only when the hull was hanging freely from the lifting frame, clear of the seabed and the suction effect of the surrounding mud, that the salvage operation progressed to the second stage.

只有当船体从升降架上自由悬挂，脱离海床和周围泥浆的吸力作用时，打捞工作才进入第二阶段。

youdao

salvage operation had been a complete failure.

打捞工作彻底失败了。

youdao

Other experts were more upbeat about the chances that some sort of salvage operation might work.

BBC: Analysis: Salvaging the Prestige

He added that the gutta percha, which would have been stored as cargo, could have been released during a salvage operation.

BBC: Shipwrecked gutta percha blocks wash up in South West

The salvage operation at the disaster site wound down on Monday, the first day in which workers didn't find a corpse.

WSJ: Promises in Bangladesh