flat fillet造句

• Flat fillet clothing for carding process
  梳棉机用弹性盖板针布
• Recently , simply equipped welding tractor is more popular for welding of flat fillet in shipbuilding industry in japan . this technical method should be welding used in china .
  介绍了简易焊接台车在日本造船业焊接平角焊缝作业中的使用情况和这种工艺方法在我国推广应用的益处。