- float spare
- 浮动: float; drift; ripple; swim
- 备件: spare parts; attachment; rep ...
- 备件: (备用易损零部件) spare parts; attachment; replacement part; repair part◇备件明细表 parts list; 备件清单 spare parts list; 备件箱 spare part case
- 起动备用泵: starting ustand-by pump; stationary pump
- 自动备份: auto backup; automatic backup
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