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| 关闭装置 | |||
| 断路装置 | |||
| 关断装置 | |||
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| 切断关闭装置; 断油流装置 | |||
| 关闭装置; 切断装置 | |||
| 关闭器 | |||
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shutting-off device : 5 phrases in 1 subject |
| Technology | 5 |
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