This paper introduces the wet process for extracting As 2o 3 from As containing material.
介绍了从含砷物料中湿法提砷的新工艺。
Mysterious circle tattoos on a Peruvian mummy have been identified as containing burned plant material.
一具秘鲁木乃伊身上的神秘圈状纹身被确认为包含有燃烧过的植物物质。
The shredded material goes back on the belt, where an overhead electromagnet removes material containing iron as the waste moves along.
被粉碎的部分再次回到传送带上，那里有一个电磁铁，把带铁的东西拿走，剩下的继续前进。
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