It is a precondition and base of improving anti-galling performance of oil well pipe to make sure the leading influencing factor of API pipe thread gluing.
科学地确定出油井管螺纹粘扣的主要影响因素是提高油井管抗粘扣性能的前提和基础。
It is a precondition and base of improving anti-galling performance of oil well pipe to make sure the leading influencing factor of API pipe thread gluing.
科学地确定出油井管螺纹粘扣的主要影响因素是提高油井管抗粘扣性能的前提和基础。
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