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The nano-CaCO3 suspension was wet modified via water phase.
在水相中对纳米碳酸钙悬浮液进行湿法改性。
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The gas phase heat carrier system used in esterification process was modified.
对酯化用气相热载体系统进行了改造。
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The gas phase heat carrier system used in esterification process was modified.
对酯化用气相热载体系统进行了改造。
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