The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.
解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。
The mechanism and cause of edge cracking defect of hot-rolled strip in Kunming Iron & Steel co.
对昆钢热轧板卷边裂缺陷机理及成因进行了研究分析，提出了相应的预防控制措施，取得了较好的效果。
The Damiao iron deposit is located at the southern margin of the Damiao plagioclase rock body and northern side of the southern edge of Hongshila-Damiao deep fault.
河北承德大庙黑山铁矿床位于大庙斜长岩体南部边缘，红石砬—大庙深断裂附近北侧。
It was still dark enough but a rim of lightness lay on the edge of the sea and made the waves gray iron.
天仍然很黑，但大海接天处现出一抹光亮，把浪花映成了铁灰色。
Then he took his plaster, rubbed the axe with it, and dealt a mighty blow, but as the iron had changed into silver, the edge bent.
他取出那个布条，在斧子上擦了擦，然后猛地一斧头砍了下去。由于铁已变成银子，所以斧刃卷了起来。
The utility model can lead glazed wires to be smooth and medium elasticity, prevent glazed wire from knotting, and prevent the glazed wire from scratching by the edge of the iron core.
嵌线 过程中可使漆包线顺畅，松紧适中，防止漆包线打结。可防止铁芯的边缘把漆包线的漆皮划伤。
The utility model can lead glazed wires to be smooth and medium elasticity, prevent glazed wire from knotting, and prevent the glazed wire from scratching by the edge of the iron core.
嵌线 过程中可使漆包线顺畅，松紧适中，防止漆包线打结。可防止铁芯的边缘把漆包线的漆皮划伤。
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