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| 扁圆头 | |||
| 蘑菇形螺钉头; 蘑菇形柱头; 支撑无梁板的锥形头 | |||
| mushroom-head: 16 phrases in 5 subjects |
| Automobiles | 5 |
| Electric machinery | 1 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Technology | 6 |
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