calcium hydrosulfide 中文意思是什麼
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Thiocyanates manufacturer in china, offering ammonium, sodium, potassium, and calcium thiocyanate, as well as sodium hydrosulfide, barium chloride, and carbon disulfide
-專門生產水合二氧化硅白炭黑，硅酸鈉水玻璃，年可供年產白炭黑6萬多噸，水玻璃25萬多噸。
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