而自动络筒机的顺利工作离不开一个稳定的负压系统。
And the automatic winding machine cannot work without the stable negative-pressure system.
送料机构采用自动送料系统，稳定可靠，效率高。
Feed mechanism adopts auto feed system, which is stable and more effective.
系统稳定性的判定是自动控制理论中的重点内容，也是自控理论教学中的难点。
System stability analysis is an important and difficult matter in the automatic control theory.
系统稳定性的判定是自动控制理论中的重点内容，也是自控理论教学中的难点。
System stability analysis is an important and difficult matter in the automatic control theory.
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