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图书馆移动书架系统可增大利用空间。
The library has a moving shelf system to increase the space utilization.
youdao
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阐述了可移动式手柄控制系统的原理。
It states the principle of the moveable handle control system.
youdao
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阐述了可移动式手柄控制系统的原理。
It states the principle of the moveable handle control system.
youdao