quỳnh châm
Region: VN
Tuesday 04 August 2026 06:09:05 GMT
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6nCO₂ + 5nH₂O →(C₆H₁₀O₅)ₙ+6nO₂ :
dày hơn nhựa đường
2026-08-05 06:54:42
0
NCN :
Ok
2026-08-04 13:08:34
0
ＮＩ :
kiểu gì
2026-08-04 06:20:44
0
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