ultrasonic metallurgy
英
美
- 超声冶金
双语例句
- They are mainly used in metallurgy and conveyor systems.
它们主要应用在冶金和输送设备领域。 - This paper summarizes the recent development in gold metallurgy in Russia.
概括介绍俄罗斯金冶金技术发展状况,以飨读者。
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