• 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.

    有关粘合问题上的早期决定——油井只有根管道使得天然气石油抽变得更容易——附有条件是粘合的时候需要额外小心。

    youdao

  • If you are unsure that you have cleared the clog completely and you want to check before you re-assemble everything use a hose to run some water down the pipe.

    如果搞不清楚,你彻底清除阻塞检查之前你重新集结出发软管一些淡化烟斗

    youdao

  • If you are unsure that you have cleared the clog completely and you want to check before you re-assemble everything use a hose to run some water down the pipe.

    如果搞不清楚,你彻底清除阻塞检查之前你重新集结出发软管一些淡化烟斗

    youdao

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