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| 连接套管刚性管装药的一头，它的外直径比另一头要小，直径较大的那头装药可以推后20connection30mm。因此管装药可以增加连续药包的装药长度 | |||
| 连接套筒; 连接套管 | |||
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connection sleeve : 3 phrases in 2 subjects |
| Shipbuilding | 2 |
| Technology | 1 |
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