Analysis and Research on Plastic Limit Loads for Welded Piping Branch Junctions Containing Shoulder Thinning Defects under Internal Pressure是什么意思_Analysis and Research on Plastic Limit Loads for Welded Piping Branch Junctions Containing Shoulder Thinning Defects under Internal Pressure在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句