The crew attaches new lengths of pipe one by one from the top until the “drill string” is long enough to hit the seafloor.

船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。

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The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.

船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。

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For instance, one script might return comma-separated values, another pipe-separated values (the pipe is the | character), and another may return one long string of text.

比方说，一种脚本可能返回逗号分隔的值，另一种则使用管道符(即|字符)分隔的值，还有一种则返回长文本字符串。

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This string of pipe may be very long, depending on the width of the crossing.

根据河流宽度，穿越管道可能很长，需要多根管段。

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This string of pipe may be very long, depending on the width of the crossing.

根据河流宽度，穿越管道可能很长，需要多根管段。

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