|
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| 71. | mercury pool valve |
| 汞弧整流管 |
|
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| | |
| 72. | pulsed arc welding |
| 脉冲弧焊 |
|
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| | |
| 73. | multiple-arc method |
| 复弧法 |
|
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| | |
| 74. | magnetic arc controller |
| 电磁弧控制器 |
|
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| | |
| 75. | square nose gouge |
| 平头弧刀 |
|
|
| | |
| 76. | needle plasma arc |
| 微型等离子弧 |
|
|
| | |
| 77. | tandem arc weld |
| 前后弧焊 |
|
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| | |
| 78. | meridional parts |
| 经线弧长 |
|
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| | |
| 79. | navigational light sector |
| 导航灯弧区 |
|
|
| | |
| 80. | PAW (Plasma-Arc Welding) |
| 等离子体弧焊 |
|
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| | |