With the centralisers, an earlier decision—to run only one pipe down the well, making it easier for gas and oil to get up—had been taken with the proviso that extra care would be needed in cementing.

在有关粘合问题上的一项早期的决定——油井下只有一根管道，使得天然气和石油抽上变得更容易——附有条件是粘合的时候需要额外小心。

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With the centralisers, an earlier decision—to run only one pipe down the well, making it easier for gas and oil to get up—had been taken with the proviso that extra care would be needed in cementing.

在有关粘合问题上的一项早期的决定——油井下只有一根管道，使得天然气和石油抽上变得更容易——附有条件是粘合的时候需要额外小心。

youdao