The driving system has compact structure with long life, smooth operation and low noise.
传动系统结构紧凑，传动零件寿命长，运转平稳，噪音小。
The gate valve has compact structure, and convenient and fast operation.
该闸门结构紧凑，操作快速方便。
The utility model has compact structure, and low production energy consumption.
本实用新型结构紧凑，生产能耗低。
The utility model has compact structure, and low production energy consumption.
本实用新型结构紧凑，生产能耗低。
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