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| 81. | screw plug fuse |
| 螺塞熔断器 |
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| 82. | pressure plug asphalt |
| 隔层充填用沥青 |
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| 83. | fusible safety plug |
| 可熔安全塞 |
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| 84. | thread plug gage |
| 螺纹塞规 |
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| 85. | ground service plug |
| 地面电源插头 |
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| 86. | filled plug weld |
| 塞焊缝 |
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| 87. | liner wiper plug |
| 衬管刮塞 |
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| 88. | screw plug holder |
| 螺旋塞座；“金钟罩” |
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| 89. | control valve plug |
| 控制阀塞 |
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| 90. | tolerance plug gage |
| 极限塞规 |
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