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The pipeline steel is mainly used in transmission pipe of oil and natural gas.
管线钢主要用于石油和天然气的输送。
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The product can be used in detection of oil well pipe or shaft.
本产品用于油井管或油井杆检测中。
youdao
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The product can be used in detection of oil well pipe or shaft.
本产品用于油井管或油井杆检测中。
youdao