seal off

ield applications show that the slurry can seal off long open holes of low formation pore pressures and achieve good cementing quality.

现场应用表明，该水泥浆体系解决了桩西油田地层压力低、封固段长和固井质量差的问题。

Seal off all affected decks.

封闭所有涉及到的甲板。

A variety of schemes to either block up or seal off the blowout preventer are in development.

各种各样的计划，要么堵塞要么封闭防喷器的发展。

We need to seal off this area until the police can make a full investigation.

我们得封锁这一带，直到警察进行了充分的调查为止。

Improved injector nozzles seal off better to keep the process leak-free and the molding operation dry.

改进了的注射喷头密封更好从而杜绝了泄露的问题保持注射过程的干燥整洁.

The city should seal off those tunnels.

这个城市应该封闭那些隧道.

The enemy made a desperate attempt to seal off the gap through which we had burst.

敌人拼命想堵住我们已经冲开的那个突破口.

You better get up there and seal off the damaged section!

你最好快给我上到那去并封闭那该死的气压舱！

Seal off the city from all outside contact to stop the spread of the plague.

封城,隔绝此城与外界的接触,以避免瘟疫的扩散.