As an important raw material in organic chemical engineering, Styrene has been of great practical value in many diversified fields such as the polymers production.
苯乙烯是重要的有机化工原料，在高分子材料生产等方面具有非常广泛的应用价值。
Silk is not only an important raw material for textiles, but also novel material in food industry, chemical engineering, biomedicine and light industry, etc.
蚕丝不仅是重要的纺织原材料，还是食品、化工、生物医学与轻工业等领域的新材料。
Trimethylamine is an important raw material for organic chemical engineering. The market requirement is influenced largely by season.
三甲胺是重要的有机化工原料，季节性市场需求变化大。
Trimethylamine is an important raw material for organic chemical engineering. The market requirement is influenced largely by season.
三甲胺是重要的有机化工原料，季节性市场需求变化大。
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