国产福利精品导航,国产欧美一区二区精品每日更新,国产亚洲精品线观看,久久久国产精品一区二区三区,日韩av在线观看免费,亚洲AV秘无码18日韩

1935年江西省成立了資源委員會鎢業(yè)管理處，統(tǒng)一價格，收購鎢砂。1938年西華山建立礦場，投資經營東西大巷，進行坑采�？箲�(zhàn)勝利后改為資源委員會第一特種礦產管理處西華山工程處。據不完全統(tǒng)計，西華山鎢礦至新中國成立前，共采出鎢砂近5萬t。1937年成立大吉山鎢礦工程處，收回民窿開鑿第九中段，開始國營生產。

In 1935, Jiangxi province established tungsten industry management office, the resources committee unified price, the acquisition of tungste. West Huashan in 1938 to establish a mine, investment management and operation of the big lane, a pit. After the victory of the war of resistance to the first special mineral resources management department of Huashan project department. According to incomplete statistics, Western Huashan to Chinese before the establishment of new tungsten mining, a total of nearly 50000 t tungste. In 1937 the establishment of Dajishan Tungsten Mine Engineering Department, take people long dug ninth middle, began production of state.