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| 81. | section valve pit |
| 分段喉阀井；分段闸掣井 |
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| 82. | pit protection grid |
| 底坑护栅 |
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| 83. | pump suction pit |
| 泵上水池 |
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| 84. | outer pit aperture |
| 纹孔外口 |
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| 85. | pumper test pit |
| 泵浦车试验槽 |
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| 86. | roll change pit |
| 换辊用坑|换辊装置安设坑 |
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| 87. | pit ?pitting corrosion |
| 点状腐蚀 |
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| 88. | meter pit flooded |
| 表井水浸 |
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| 89. | small pit organ |
| 小窝器(鱼中的电感受器) |
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| 90. | soaking pit crane |
| 夹钳起重机|深井炉起重机|均热炉的钳式吊车 |
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