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。
Lead and backup tong-men should not stand between the two pipe tongs while the driller is making up or breaking out pipe or collars.
当司钻正在上卸钻杆和钻铤时，内外钳工不要站在两个大钳之间。
Air Products set up shop to deliver ultra-pure nitrogen, vital to chip making, to Intel down a two-foot-wide pipe.
空中产品建立起车间把高纯度的氮沿着两英尺宽的管子运送到英特尔公司，这种氮对于半导体的制造是非常重要的。
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