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| cutting stroke; combustion stroke; expansion stroke; power stroke; forward movement; forward stroke; operating stroke; working stroke | |||
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arbeidsslag : 1 短语, 1 学科 |
| 机械工程 | 1 |
|
| |||
| cutting stroke; combustion stroke; expansion stroke; power stroke; forward movement; forward stroke; operating stroke; working stroke | |||
|
arbeidsslag : 1 短语, 1 学科 |
| 机械工程 | 1 |