Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/80166c063c48030fb2dbdf06e4059128.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 molybdenum steel是什么意思,molybdenum steel的翻译,molybdenum steel音标、读音、用法和例句_94生活常识网有道词典
The effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples. 摘要通过一些试验研究和工程实例,介绍采用铬钼钢制造的承压设备,经热处理后对钢材性能的影响。