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| 91. | barrel amalgamation |
| 桶式混汞法 |
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| 92. | knockout barrel |
| 滚筒冷却落砂机 |
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| 93. | grinding barrel |
| 滚桶研磨 |
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| 94. | barrel corrosion |
| 枪管锈蚀 |
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| 95. | focusing barrel |
| 聚焦镜筒 |
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| 96. | stationary barrel |
| 固定条盒 |
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| 97. | barrel resoldered |
| 桶重焊 |
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| 98. | barrel cleaning |
| 滚筒清理 |
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| 99. | hoisting barrel |
| 绞车滚筒 |
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| 100. | barrel enamelling |
| 滚筒涂装 |
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