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But milch cow industry, as the source of dairy industry, is not still thought highly. The lag of milch cow industry has already disturbed the dairy industry.

但是，作为奶业发展&源泉&的奶牛业在中国却一直没有被提升到应有的重视高度，奶牛业的发展滞后已经严重阻碍了奶业的快速发展。

Any of various thermometers used for measuring high temperatures.

测量小的差异和变化的水银温度计。