采矿
采矿专业外文翻译--埃达克岩与斑岩铜矿(编辑修改稿)
rsky, Island Adakites . (3) has been the demise of the partial melting of subducted slab: AridHills, Jaraquay Adakites . (4) old oceanic crust in subduction occurred in the beginning part of the melt
采矿专业外文翻译---西昆仑地区卡兰古mvt型铅锌矿床成矿作用和成矿物质来源探讨(编辑修改稿)
nt of backarc rift of the Late Paleozoic (ie Chur, oytag, Liang rift trough). With the demise of the PaleoTethys, Kusi La Fu Long Late Paleozoic rift basin closed at the end of the Permian. Triassic
采矿专业毕业设计外文翻译--关于煤层沼气的一些经常出现的问题-采矿工程(编辑修改稿)
top of the seam. However, sometimes the water level drops into the coal seam. Water moving from the coal seam to the well bore encourages gas migration toward the well. As this water pressure is