油管和管线管螺纹的测量和检验方法怎么读
点击播放按钮播放发音:
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 油管和管线管螺纹的测量和检验方法的英语:gauging and inspection of casing tubing and line pipe threads