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81. | barrel enamelling |
| 滚筒涂装 |
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82. | barrel resoldered |
| 桶重焊 |
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83. | hoisting barrel |
| 绞车滚筒 |
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84. | rotoblast barrel |
| 喷丸清理滚筒 |
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85. | stationary barrel |
| 固定条盒 |
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86. | barrel corrosion |
| 枪管锈蚀 |
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87. | barrel amalgamation |
| 桶式混汞法 |
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88. | Barrel lubricant |
| 外套润滑剂 |
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| |
89. | barrel cleaning |
| 滚筒清理 |
|
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90. | secondary barrel |
| 化油器次级腔 |
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