Flat tube in any cross section are oblong, the length of the shaft according to the tube pitch to determine the size of.

扁管在任何一个截面均为长圆形，其长短轴根据管心距的大小来确定。

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This cancer starts in the cells that line the esophagus (the tube that carries food from the throat to the stomach) and usually occurs in the lower part of the esophagus, according to the Mayo Clinic.

据梅约诊所介绍，这种癌症入侵部位为食道(是由咽喉向胃输送食物的管道)中的细胞，通常发生于食道较低的部位。

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Lounging in front of the tube not only eats up hours in your day, it may also shorten your life, according to a new study.

一项新研究称，懒洋洋地呆在电视机前，不仅会消耗你的时间，而且会缩短你的寿命。

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More people now use their tablet or smartphone in the bedroom for late-night video viewing rather than switching on the tube, according to a new survey.

CNN: Doug Gross,

According to initial indications, the balloon was in the process of landing after 7 a.m. when a cable got caught around a helium tube and a fire erupted, according to an investigator with the state prosecutor's office.

NPR: Fiery Balloon Accident Kills 19 Tourists In Egypt

The U.S. market for yogurt has doubled in the past 10 years, largely because of the interest in products such as portable yogurt in a tube, according to General Mills Inc.

WSJ: PepsiCo's Tropolis Fruit Puree an Attempt to 'Snackify' Drinks