metallurgical-grade silicon
冶金级硅;
例句
1 As in2000, a large part of the Chinese imports included metallurgical-grade material.
而2000年，从中国进口的大部分产品为冶金级材料。
2 Hydrometallurgical Purification of Metallurgical-Grade Silicon under the Ultraviolet Radiation
紫外光照射下冶金级硅湿法提纯工艺研究
3 We have an enquiry for silicon carbide and would like to ask you to send us your offer for1000 metric tons for shipment during September.
我们得到一个碳化硅的询盘，请你报我1000公吨9月交货。