形活塞环的扭角对柴油机的性能有着显著的影响。
The twist angle of L shape piston ring directly influences the performance of diesel engine.
男女之间，女性的颅—耳角大于男性，颅—耳甲角、耳甲—耳舟角无显著差异。
The differences of the angles between men and women are not obvious, except auriculocranial angle.
男女之间，女性的颅—耳角大于男性，颅—耳甲角、耳甲—耳舟角无显著差异。
The differences of the angles between men and women are not obvious, except auriculocranial angle.
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