The primary advantage of vibrating is that it permits the use of a drier concrete, which has a higher strength because of the reduced water content.

该振动的主要优点是它允许一个干燥混凝土，其中有一个因减少水的使用量较高的强度。

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Based on the research of influence factories for commodity walnut quality, gave a walnut primary processing technology and introduced some pivotal equipment walnut pericarp peeler and walnut drier.

在对影响商品核桃品质的因素进行研究的基础上，提出了核桃初加工工艺，并且对核桃初加工的关键设备—核桃青皮剥离机和核桃干燥机做了介绍。

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