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机械系统
| 实验室
| 机械系统 | |
| auto. | mechanical system |
| 实验室 | |
| busin. | examining room |
| eng.geol. | lab |
| environ. | laboratory |
| hydroel.st. | lab |
| lab.eq. | test house |
| met. | research laboratory |
| space | facility |
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| mechanical system | |||
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| mechanical system | |||
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机械系统 : 160 phrases in 28 subjects |
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