The room only had a coffee maker but just one pack of coffee and creamer per day.
房间里只有一个咖啡机,而且每天只有一包咖啡和一包伴侣。
The composition, preparation and synthesis mechanism of the one pack self crosslinking aqueous polyurethane dispersion has been reviewed.
叙述了单组分自交联水性聚氨酯分散体的组成、制备及合成机理。
The composition, preparation and synthesis mechanism of the one pack self crosslinking aqueous polyurethane dispersion has been reviewed.
叙述了单组分自交联水性聚氨酯分散体的组成、制备及合成机理。
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