The situation of scheelite resource in Luanchuan was presented.Tests on Comprehensive recovery of scheelite in several years were analyzed.
英
美
释义
介绍了栾川白钨资源的现状,简述了历年来白钨综合回收的试验情况。
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