膏填充无金属带状光纤开槽芯光缆怎么读
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.
- 膏填充无金属带状光纤开槽芯光缆的英语:jellyfilled nonmetallic ribbonfiber slottedcore cableable