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| 土力学壁面摩掺角 | |||
| 墙摩擦角; 壁面摩擦角 | |||
| 墙面摩擦角 | |||
| 墙壁摩擦角 | |||
| 墙摩阻角; 墙背摩擦角; 外摩擦角; 壁摩擦角 | |||
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angle of wall friction : 2 phrases in 1 subject |
| Bridge construction | 2 |
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