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Terms for subject Mechanics containing second | all forms | exact matches only
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revolutions per second每秒转数
second leaf wrapper次级簧片套板簧紧靠主簧片的次级簧片端部沿主簧片耳孔弯曲
second stage leaf辅助弹簧片
seconds per rotation每转秒
turn per second每秒转【圈】数

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