Microstructure analysis showed significantly consistent change in nodule counts and possibly the numbers of microshrinkage pores present from the bottom to the top of heavy-section casting.
在厚断面 铸件取

不同时,由于浇铸凝固时间不同,疲劳强
也不同。
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尚精选 Industrial robots are widely used in factories for tasks such as welding, painting, and material handling. They can work continuously without fatigue and with high precision, improving production efficiency and product quality.
工业机器人在工厂中广泛用于焊接、喷漆和物料搬运等任务。它们可以持续工作而不感到
,并且具有高精度,从而提高生产效率和产品质量。
Levels of news fatigue were different among different groups. Women were more likely to feel news fatigue than men. And Americans over the age of 65 were less likely than younger people to report fatigue, Pew researchers said.
据皮尤研究中心调查称,新闻
的程度在不同的群体间
不同的。女性比男性更加容易感到新闻
。65岁以上的美国人比年轻人更不容易感到新闻
。