It's used in mining, steel production, oil refining and chemical synthesis, and in the manufacture of fertilisers, detergents and plastics.
它被用于采矿、炼钢、石油精炼化工,以及制造化肥、洗涤剂和塑料。
During WWI women move into many jobs working in heavy industry in mining, chemical manufacturing, automobile and railway plants.
1917年, 一战期间,妇女进入了很多重工业领域工作,如煤矿、化工及公共交通建设。
Widely used in chemical industry, metallurgy, machinery, electronics, Oil, mining and other industries supporting products.
广泛用于化工、冶金、机械、电子、石油、矿山等行业配套产品。
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