Sillplate special attention to seam under the ash, such as the non-compaction can be embedded waterproof Po repair cracks.
特别注意窗台板下灰缝,如不密实可用防水宝修嵌裂缝。
3
The result shows some cracks appearing on vertical weld connecting web plate of body bolster and draft sill as well as the part between web plate of body bolster and top cover plate.