Although Iran is a net exporter of oil, it is a net importer of refined products.
尽管伊朗是个石油净出口国,但它也是精炼石油产品的净进口国。
For its structure and refined process, false use would result to outer net guard damage.
由于剃须刀构造精细复杂,使用时如不谨慎小心,会造成外部网罩的损害。
The experimental results show that the carbides in high Cr cast iron can be refined and changed from net and long shapes into island and block ones.
结果表明,稀土元素能破碎高铬铸铁中的碳化物,使碳化物由网状、长条状向岛状、块状过渡。
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