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natural slope | |||
angle of repose; static angle of repose; angle of rest; natural angle of repose | |||
angle of crater |
自然倾角 : 9 phrases in 7 subjects |
Architecture | 1 |
Drilling | 1 |
Economy | 1 |
Electronics | 1 |
Management | 1 |
Oil / petroleum | 1 |
Technology | 3 |