down pipe

基本解释

He whiffed the compound of scents away, as he put down his smoked-out pipe.
他放下抽完的烟斗，用鼻子吹了吹这种混合气味。
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Safety the highly effective convenience drainage system may prevent the valley between roofs and the down-flow pipe damage guaranteed the roof does not tie the snow and ice the icicle.
安全，高效便利的排水系统可以防止屋顶天沟及下水管的损坏，保证屋顶不结冰雪、冰柱。
But engineers are hoping that their pretesting—using compressed air to fire a ping-pong ball down the pipe, Gillies says—will prevent such a mishap.
但工程师们希望他们的预测试——使用压缩空气将乒乓球注入管道——也许可以避免此类事故， Giilies 认为。

The next decade may find 4.3 pedabits per second traveling down that solitary pipe--enough to beam a family reunion in holographic form into every living room in Manhattan.
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The first trial run demonstrated that 1 km of high-density polyethylene pipe could be laid down over mountainous terrain and in windy conditions in just nine minutes.
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Raw sewage trickled from a broken pipe down the street, and the 37-year-old insurance agent scolded his two sons for playing nearby.
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a pipe for carrying rainwater from a roof gutter to the ground or to a drain (Also called rainwater pipe, drainpipeUsual US and Canadian name downspout)