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nonmetallic minerals
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nonmetallic minerals
Encyclopedia
理学
固体矿产
释
nonmetallic minerals
非金属矿产
能供工业上提取非金属元素,或直接利用矿物、矿物集合体或岩石的化学的、物理的或工艺性质的矿产。又称工业矿物和岩石。
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Guatemalan Drama
Guatemalan Land Reform Law of 1952
Guatemalan literature
Guatemalan National Revolutionary Unity
Guatemalan Party of Labour
Guatemala's National Democratic Movement(1944~1954)
Guatemala's Uprising(1867~1871)
Guatemala,El Salvador and Honduras Economic Cooperation Treaty
Guatemaltecos
guava
guava root knot nematode
Guayaquil Conference
Guayasamin Museum
Guayas River
guayule
guayule rubber
Gua Zhier
Guazhou
Guazhou Xian
Guban (a small drum and a clapper)
Gu Bao
Gubeikou
Gu Bingxin
Gubkin, Ivan Mikhailovich
Gu Cai
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