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| 71. | core barrel rod |
| 导向钻杆 |
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| 72. | fountain pen barrel |
| 钢笔杆 |
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| 73. | pump barrel volume |
| 泵筒容积 |
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| 74. | four-barrel carburetor |
| 四腔化油器 |
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| 75. | Printed syringe barrel |
| 印刷外套 |
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| 76. | hydraulic barrel lifter |
| 液压提桶机 |
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| 77. | orienting core barrel |
| 定向取心岩心筒 |
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| 78. | front barrel flange |
| 机筒前端法兰 |
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| 79. | single barrel shotgu |
| 单管猎枪 |
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| 80. | feed pump barrel |
| 添水泵筒 |
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