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| 71. | check protection |
| 检查保护 |
|
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| | |
| 72. | sprayed protection |
| 喷涂保护 |
|
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| | |
| 73. | anodic protection |
| 阳极保护 |
|
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| | |
| 74. | hearing protection |
| 听力保护 |
|
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| | |
| 75. | cable protection |
| 电缆保护 |
|
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| | |
| 76. | equal protection |
| 平等保护 |
|
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| 77. | opening protection |
| 洞口保护 |
|
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| | |
| 78. | indirect protection |
| 间接保护 |
|
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| 79. | locality protection |
| 区域保护 |
|
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| 80. | control protection |
| 控制保护 |
|
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