They are developing a new turning mechanism for the device.
他们正在研制这一设备的新的旋转装置。
Automatic standby slow turning, water saving and electricity saving device.
自动待机慢转，省水省电装置。
Avoid shake and physical shock when being operated and moved during turning on the device.
打开机器操作移动时避免震动和机械冲击。
Describes the use of the device in coal mine roadway turning.
介绍了这种装置在煤矿井下转弯巷道中的使用情况。
Describes the use of the device in coal mine roadway turning.
介绍了这种装置在煤矿井下转弯巷道中的使用情况。
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