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balance axis | |||
principal axis (同 principal inertia axis); principal axis of inertia; principal inertia axis | |||
main axis of inertia | |||
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main inertia axis |
主惯性 轴 : 7 phrases in 5 subjects |
Architecture | 1 |
Automobiles | 2 |
Aviation | 1 |
Hydroelectric power stations | 2 |
Technology | 1 |