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91. | pit barrel type |
| 地坑筒式 |
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92. | dead soaking pit |
| 加热保温坑 |
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93. | lenticular pit aperture |
| 透镜形纹孔口 |
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94. | pit-volume indicator |
| 泥浆池液面指示器 |
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95. | filter discharge pit |
| 滤液排出池 |
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96. | open pit incinerator |
| 非密封式焚化炉 |
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97. | etch pit density |
| 腐蚀坑密度 |
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98. | pit bottom layout |
| 井底布置 |
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99. | fruit pit carving |
| 果核雕刻 |
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100. | pit-volume totalizer |
| 泥浆池液面监测器 |
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