• 标准适用机械结构一般工程结构无缝钢管

    This standard applies to rigid structure, average project construction to use seamless steel tube.

    youdao

  • 阐述了无缝线路基本结构基木原理

    Basic structure and theory of LWR are elaborated in this paper.

    youdao

  • 阐述了无缝线路基本结构基木原理

    Basic structure and theory of LWR are elaborated in this paper.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定