- self-maintained oscillations
- 自持: control oneself; restrain on ...
- 振动: vibrate; vibration; vibrance ...
- 自持振荡: autonomous oscillation; self sustained oscillations; self-sustained oscillation; selfsustainedoscillations; sustained oscillation
- 保持振动筛区域干净: keearea around shaker clean
- 自持: control oneself; restrain oneself; exercise self-restraint 难以自持 can hardly restrain oneself; 自持力 self-supplying capacity
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