烏克蘭坐落在一個面積與英國相當的地質岩盾上,被認為擁有豐富的稀土礦儲量。但要實現這些目標需要大量時間、精力和資金 https://econ.trib.al/mRreVhe
岩石防護網是指保護管道免受岩石和其他危險造成的損壞的防護網。它也可以指大面積暴露的前寒武紀結晶火成岩和變質岩。
A rock shield can refer to a protective mesh that protects pipelines from damage caused by rocks and other hazards. It can also refer to a large area of exposed Precambrian crystalline igneous and metamorphic rocks.
Sitting on a geologic rock shield the size of Britain, Ukraine is thought to hold vast reserves of rare-earth minerals. But getting at them would require serious time, effort and funding https://econ.trib.al/mRreVhe
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