“难熔金属”的概念、定义、翻译、参考文献-科学参考

单词	难熔金属
释义	难熔金属 Encyclopedia 工学难熔金属释 refractory metals难熔金属熔点高于2400℃的钨（W）、钽（Ta）、钼（Mo）、铌（Nb）、铼（Re）等金属的总称。以难熔金属为基体，添加其他元素的合金称为难熔合金，其使用温度在1200℃以上。
随便看	ancient history of machinery ancient hydraulic driven machine ancient Indian law ancient Indian medicine Ancient Indian Pyramids ancient international law ancient iron casting technology ancient irrigation area in Hetao ancient irrigation area in Jingshui River basin ancient irrigation area in Ningxia ancient irrigation area in Qinhe River basin ancient irrigation area in Xinjiang ancient irrigation area in Zhanghe River basin ancient jade drilling tools and techniques ancient Japanese architecture ancient Japanese mirror ancient Korean architecture Ancient Lagerstroemia in Liangshan Temple, Guangyuan City ancient land use ancient library ancient lifting machine ancient literature from Dunhuang Ancient Longzhong in Xiangyang ancient lotus pond garden Ancient Lotus Pond in Baoding

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。