我国的烧结混料机故障频发，尤其是筒体经常出现裂纹，严重影响了生产，造成重大经济损失。

Many large cylinder mix machine cracked frequently in our country, which influenced production seriously, and caused the great economic losses.

youdao

加载后金瓷冠表面均出现表浅裂纹密集等变化，尤其多次烧结组变化更明显。

After loading, the surface of metal-ceramic crowns displayed many shallow cracks, especially obvious after repeated firing crowns.

youdao

结果表明，保护性高温烧结工艺的发热体可进行热态弯曲成形，表面没有发现裂纹，试样中的气孔已明显球化。

The result shows that the heating element of protect high temperature burning procedure could heat bend. No crack on the surface was found and pore was evidence spheroid.

youdao