proven reserve 中文意思是什麼
proven reserve
解釋
證實儲量-
Huangmei has a rich reserve of underground minerals, 15 sorts are proven to have exploitation value, of which, limonite and siderite have a reserve of 58 million tons, the tenor is around 45 %, being concentrated ; quartz is of 100 million tons ; gypsum mine is 270 million tons ; barite is 500, 000 tons and silex of 10 million tons ; porcelain clay, limestone, shale and granite are extensively distributed and of large reserve
黃梅地下礦產豐富，已探明有開采價值的礦產資源15種，其中褐鐵礦、菱鐵礦儲量5800萬噸，品位45 %左右，分佈集中；石英礦1億噸；石膏礦2 . 7億噸；重晶石50萬噸；硅石1000萬噸；瓷土、石灰石、頁巖石、花崗巖分佈廣、儲量大。
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