The RDZ consists of a reduced diameter tube section mating to a specially-shaped ceramic tile.

RDZ包含了一个与异形瓷砖搭配的直径方向缩减的管道截面。

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The reduced diameter tube section on each tube slopes away from the solids falling down the wall.

每个管道上减少的直径方向管道截面远离沿墙下降的固体。

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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