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主轴 | |||
主轴线 | |||
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主轴线 | |||
主轴 | |||
一次晶轴 | |||
主轴线 | |||
主惯性轴 (同 principal inertia axis) | |||
主轴 (线); 光轴 |
principal axes : 58 phrases in 9 subjects |
Architecture | 1 |
Aviation | 1 |
Bridge construction | 11 |
Earth sciences | 1 |
Engineering geology | 4 |
Hydroelectric power stations | 2 |
Oil / petroleum | 2 |
Space | 7 |
Technology | 29 |