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| 套管式接合; 套筒联轴节; 连接套筒 | |||
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| 保温套管联结器 | |||
| 套管式接合; 套接; 筒接头; 套筒联轴器; 套筒接合; 套管连接 | |||
| 套筒联轴节 | |||
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| 套筒联轴节 | |||
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| 套筒联轴节 | |||
| muff-coupling: 8 phrases in 3 subjects |
| Automobiles | 1 |
| Technology | 4 |
| Wind Energy | 3 |
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