A reasonable process for bending the pipe nip of the bottom crossband was determined.

确定了使下横条管夹弯曲的合理工艺流程。

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This time, he turns his attention to an old crusty pipe protruding from the bottom of the wall. He grabs the wheel valve on the pipe and turns it with some effort.

这次，他的注意力集中在墙底部的一条陈旧的带有硬壳的管道，他抓住管道上的轮形阀门，很费力的将阀门扭开。

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Assemble drill to break through the first layer of crust, the crew deploys a steel pipe with an 11-inch-wide drill bit at the bottom.

为了突破第一层地壳，船员们使用底部装有11英寸宽的钻头的钢管。

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That cannot and will not happen anymore." As the president spoke, robots at the bottom of the Gulf tried to move a tube into the pipe that has pumped millions of liters of oil into the water.

VOA: standard.2010.05.14

On the platform, researchers push pieces of fish down a pipe that goes right to the bottom of the water.

BBC: Sea lion test to probe declines

As a prelude to permanently shutting down the well, crews are trying to withdraw drill pipe hanging below the bottom of the blowout preventer and remove it from the well, so they can then remove the capping stack that's kept oil from leaking since July 15 and replace the old blowout preventer with a new one.

CNN: STORY HIGHLIGHTS

After World War II Lowe's became known hundreds of miles around for rock-bottom prices on nails, copper pipe and lumber by the railcar-load.

FORBES: Merchant Princes