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91. | polyethylene pipe |
| 聚乙烯喉管 |
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92. | additional pipe |
| 支管|接长的管子 |
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93. | circulating pipe |
| 循环水管|循环油管 |
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94. | interconnected pipe |
| 互连喉管 |
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95. | boatswains pipe |
| 水手长使用高音笛 |
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96. | polybutylene pipe |
| 聚丁烯喉管 |
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97. | ventilator pipe |
| 通风器管 |
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98. | lengthening pipe |
| 伸长管 |
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99. | pipe reciprocator |
| 上下活动套管的装置 |
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100. | interconnecting pipe |
| 内部联结管 |
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