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| 71. | offsetting pipe |
| 补偿管 |
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| 72. | pipe compensator |
| 导管调整器 |
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| 73. | pipe flexibility |
| 管子韧性 |
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| 74. | sprinkling pipe |
| 撒水管 |
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| 75. | pipe viscometer |
| 管式粘度计 |
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| 76. | ventilation pipe |
| 透气喉 |
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| 77. | PRESSURE PIPE |
| 导压管 |
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| 78. | nonmetallic pipe |
| 非金属管 |
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| 79. | observation pipe |
| 观测管 |
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| 80. | telescopic pipe |
| 望远镜式管|套筒管 |
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