The milling process of X65 pipe steel and the inspection data of mechanical properties (tensile strength, DWTT and hardness)are introduced in detail.是什么意思_The milling process of X65 pipe steel and the inspection data of mechanical properties (tensile strength, DWTT and hardness)are introduced in detail.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句