There are three prospects of lead- zinc, gold and gold-silver deposits in the area that show geological background and prospective reserves of super large-scale deposits.
有铅锌、金、金银三个远景区,具有形成超大型矿床的地质条件,显示了超大型矿床的资源前景。
Now imagine that happening on an apocalyptic scale: millennia-long volcanic eruptions setting on fire--even exploding--massive coal deposits in present day Siberia.
现在,请想像发生在灾难片中的一幕:长达千年的火山持续喷发,引燃,甚至引爆了现今埋藏于西伯利亚地下巨大的煤矿床。
Formic acid efficiently dissolves and removes calcium based deposits, as well as rust, scale and iron oxide deposits.
甲酸能有效地溶解和去除钙质沉积物,包括锈、水垢和氧化铁沉积物。
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