针对库房的基础设施建设，设计制造了框架式库房、敞开式自动卷帘门装置。
The framed storehouse and the open rolling shutter door equipment are designed and manufactured for the infrastructure construction.
某些开式齿轮装置，例如注油小齿轮或特别设计的循环系统等。
Some type gear device, such as oil or special design of small gear circulatory system, etc.
本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。
The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。
The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
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