对铸锻复合工艺生产法兰类零件进行了研究。
The compound technique of castingandforging for steel flange was investigated.
埃默里大学著名灵长类动物学家法兰斯·德瓦尔认为：不只是猫科和犬类，甚至是老鼠也能表达恻隐之心以及其他情感【消息来源：科技美国】。
Frans B.M. DE Waal, a noted primatologist at Emory University, says that a variety of animals — not just cats or dogs, but even rats — feel empathy and other emotions [Source: Scientific American].
潜水电机壳体，包括机架，尾轴承架，法兰和罩盖总装，必须采用符合美国材料试验协会ASTM A - 48类别30标准的、密实的铸铁或更好的材料制造。
The submersible motor enclosure including frame, end brackets, flanges and cap assembly shall be constructed of close-grained cast iron, ASTM A-48, Class 30 or better.
应用推荐