... urea 尿素 urea-formaldehyde moulding compound 脲醛压塑混合物 urea-formaldehyde moulding powder 脲醛压塑粉 ...
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urea-formaldehyde moulding compound 脲醛压塑混合物
melamine formaldehyde moulding compound 三聚氰胺甲醛模塑料
aniline formaldehyde moulding compound 苯胺甲醛树脂模塑料
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