The enemy's line of retreat was cut off.

敌人的退路已被截断。

《新英汉大辞典》

Having to cut costs, Cisco centralised the functions of each line.

为减少成本，思科将每类业务的职能集中。

youdao

The process of a pipe production is the following: a round cast workpiece is put onto a hot rolling line where it is cut, heated, stitched and rolled till a pipe of necessary size is ready.

一个钢管的生产流程如下：圆管坯放在要被切割的高温轧制线上，继续升温，穿孔，轧制直到管坯大小基本成型。

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Sherif told the kids--all of the kids-- that the water line to the camp was cut and they all had to defend the camp.

谢里夫告诉所有男孩-,营地的水管被截断了,他们要全部出动保护营地。

耶鲁公开课 - 心理学导论课程节选

The clothes that do get made in commercial quantities and reach us in the stores may have touches here and there--a color, a collar, a line of cut--that descend from a runway presentation in Milan or Paris or New York several years before.

FORBES: Editor's Note

To clear out all the guerrillas would be even more costly in human lives and probably not possible without crossing the line of control to cut off their supplies.

ECONOMIST: Sharif��s sticky wicket

In later action, Woods battled to make the weekend on the cut line of level par after a second straight 70 with 23-year-old rookie Luke Guthrie leading the way on nine-under 131 after a superb seven-under 63.

CNN: March 2, 2013 -- Updated 1004 GMT (1804 HKT)