丰谷须四段钙屑砂岩储层具有低伽玛、高电阻、高波阻抗等特点，储层含气后波阻抗值有所降低，但仍高于或接近于泥岩。

The calcarenaceous sandstone reservoir in the 4th Member of Xujiahe Formation in Fenggu area are of the characteristics of low GR, high resistance and high impedance.

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食品和饲料添加剂：面包屑、香兰素、蛋白钙粉、淀粉、虾壳、木糖醇、泛酸钙、硫酸粘杆菌素、茶粉、D-泛酸钙、丙氨酸；

Food and Feed Additives: crumb, vanillin, protein-calcium power, starch, shrimp shell, xylitol, calcium pantothenate, colistin sulfate, tea power, D-calcium pantothenate, alanine;

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食品和饲料添加剂：面包屑、香兰素、蛋白钙粉、淀粉、虾壳、木糖醇、泛酸钙、硫酸粘杆菌素、茶粉、D-泛酸钙、丙氨酸；

Food and Feed Additives: crumb, vanillin, protein-calcium power, starch, shrimp shell, xylitol, calcium pantothenate, colistin sulfate, tea power, D-calcium pantothenate, alanine;

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