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According to the regulations on the management of information release of dangerous goods on the Internet, the unit that purchases and uses the radiation device shall obtain a radiation safety license before using the purchased radiation device.

Long distance pipeline

Long-distance pipeline

-Long distance pipeline

Long-distance pipeline

-Long distance pipeline
Long distance pipeline

-Long distance pipeline

Long distance pipeline

-Long distance pipeline
Long-distance pipeline

-Long distance pipeline

Long-distance pipeline

-Long distance pipeline

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