| 单词 | self-maintenance |
| 释义 | Word Frequency self-maintenance(ˌsɛlfˈmeɪntɪnəns) noun the ability to keep functioning or surviving without external help the costs of self-maintenance Classes focus on survival skills, self-maintenance and economic self-sufficiency. They tried to extend the principles of management beyond the factory and office,into the realms of housekeeping and self-maintenance. |
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