During water plugging operation, the key factor of success is how to protect non-target zones from pollution.

在堵水封窜作业中，如何保护非目的层不受污染，是施工成功与否的关键。

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During water plugging operation, the key factor of success is how to protect non-target zones from pollution.

在堵水封窜作业中，如何保护非目的层不受污染，是施工成功与否的关键。

youdao