A new method form aking arbitrary section tube was introduced.

介绍了一种新型的变断面管无模拉伸成形方法。

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The chemical cleaning method of convection section tube for hydrogen manufacturing furnace was recommended.

介绍了制氢炉对流段炉管的化学清洗方法。

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The human appendix is a small dead-end tube connected to the cecum, or ascending colon, one section of the large intestine.

人的阑尾是个很小的一端闭锁的细长盲管，它的另一端连结盲肠，也叫升结肠，属于大肠的一部分。

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Until a few years ago, to treat aortic aneurysms surgeons cut a patient from breastbone to pubic bone and replaced the damaged section with a synthetic tube.

FORBES: By the Numbers