Layer-like or lenticular ore bodies occur in the upper part of the weathering crust,but in top, middle and lower parts of it there are no ore bodies.是什么意思_Layer-like or lenticular ore bodies occur in the upper part of the weathering crust,but in top, middle and lower parts of it there are no ore bodies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句