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| 81. | contracted beam |
| 集中光束 |
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| 82. | magneticlifting beam |
| 电磁吸吊装置 |
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| 83. | projecting beam |
| 投影光束 |
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| | |
| 84. | extensional beam |
| 外伸梁 |
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| | |
| 85. | intermediate beam |
| 中间梁 |
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| | |
| 86. | collimating beam |
| 准直光束 |
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| 87. | convergent beam |
| 会聚射束 |
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| | |
| 88. | foundation beam |
| 基座梁 |
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| | |
| 89. | constrained beam |
| 两端固定梁 |
|
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| 90. | extraordinary beam |
| 非常光线 |
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| | |