... LD31 用于制造强度不高(σb>20kgf/mm2)耐蚀性能好,有美观装饰表面,在+50~-70℃工作的零件,其合金经特殊机械处理后有较高的导电性能,在电气工业上得到,广泛应用 alumina铝土 bauxite铝矿土 ...
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铝土矿 [矿物] bauxite ; [矿物] alumyte ; aluminum bauxite ; Weipa ; bauxite
铁铝土 ferralsol ; ferrallitic soil ; Ferralosols
铝土砖 [建] bauxite brick ; bauxite e brick
铝土砂 aluminous sand
铝土粉 alumina powder
黄色铁铝土 xanthic ferralsol ; orthic ferralsol ; yellow ferralsol
铝土的 aluminous
纯铝土矿 wocheinite
富铝土 allite ; allitic soil ; aluminum soil
他们担心一旦铝土不在了,溪流将会干涸。
Once the bauxite is gone, they fear, the streams will run dry.
越南估计拥有80亿吨高品质铝土,储量世界第三。
Vietnam has an estimated eight billion tons of high-quality bauxite, the third-largest reserves in the world.
山西省矿产资源十分丰富,其中以煤、铝土、铁等为最。
Often referred to as' the ocean of coal ', Shanxi is rich in coal deposit, and coal mining is its most important industry.
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