题目内容
柱塞液压缸是双作用液压缸。
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It recorded over 40 kinds of diseases, and further advanced the study of disease etiology.
It systematically summed up the knowledge and experiences of the people of the Qin and Han dynasties, and also exerted important influence on the subsequent development in thefield of Chinese materia medica.
It described the etiology and pathological mechanisms of 1,739 kinds of symptoms and signs, and was an essential reference for clinical practice.
饮用净水水嘴的额定流量为（）L/S。
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