网站的功能模块清晰明了，连接紧凑。
The website functional module clear perspicuity, the connection is compact.
本发明的目的是提供特别紧凑的连接装置。
The aim of the invention is to provide a particularly compact connecting device.
由于其具有结构紧凑、管路连接简单等优点，在工程机械中得到了广泛应用。
It was widely used in construction machinery, because of its compact structure and simple pipeline connection.
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