- critical spare parts
- 关键: hinge; key; crux; linchpin; ...
- 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
- 一键备份: hp easy backup; otb
- 备件,备件部分: renewals
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