介绍了以玉米为原料的酒精厂副产品玉米油提取的两种方法。
Two methods of extracting maize oil from the byproduct of producing corn alcohol were introduced.
这两件半成品玉残件保留了加工制作的痕迹，为研究古蜀玉器制作工艺提供了重要的实物材料。
The fragments left many marks of being manufactured in the body, which provides substantial materials of great significance for the study of manufacturing technique of ancient Shu Jade ware.
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