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| 最多操作时间 | |||
| 最长运营时间; 最长工作时间 | |||
| 最长操作【运转】时间 | |||
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maximum operating time : 4 phrases in 4 subjects |
| Aviation | 1 |
| Business | 1 |
| Space | 1 |
| Wind Energy | 1 |
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