RA 1440 is a acrylic resin polymer and auxiliaries compound designed to be suitable of finishing of flexible leathers.
RA 1440是丙烯酸树脂与助剂的复合树脂，适合于各种耐曲绕性革涂饰。
The effect of compound preparations of propolis and pollen on meat quality and flavor in finishing pigs was studied.
通过科学评价选择养猪场是建设和管理优质猪肉供应链的关键。
The effect of compound preparations of propolis and pollen on meat quality and flavor in finishing pigs was studied.
通过科学评价选择养猪场是建设和管理优质猪肉供应链的关键。
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