鉻礬 的英文怎麼說
中文拼音 [gèfán]-
Chromium - containing wastewater treatment by copperas byproduct in titanium dioxide production
用生產鈦白的副產物綠礬處理含鉻廢水The united states was vulnerable to shortages of chrome, bauxite, and platinum.
美國的弱點是缺少鉻、礬土和鉑。Standard specification for chromium - vanadium alloy steel valve spring quality wire
閥簧級鉻礬合金鋼的標準規范
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