It is shown that gold and other metals mainly came from magma,sulfur has two resoures, i.e. the strata source and the magma source the latler is more than the forme...
英
美
释义
研究表明,金等金属元素主要来源于岩浆,硫有地层和岩浆两个来源,但以后者为主。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载