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- 钻头头部旋转流场影响因素及优化设计Effect of hydraulic factors on flow field at bottom hole of rotating drill bit and hydraulic optimistic design
- 旋转whirl
- 头部head
- 逆时针旋转contrarotate
- 旋转木马merry-go-round
- 旋转的rolling
- 自动旋转autogiration
- 头盔可以保护你的头部免受伤害。A helmet guards your head against/from injuries.
- 他是一个被击中头部而变痴呆的拳击手，故只好以擦鞋为生。He was a punch-drunk boxer who made his living shining shoes.
- 顺时针旋转clockwise rotation
- 医生缝合了他头部的伤口。The doctor stitched the cut on his head.
- 旋转方向direction of rotation
- 头部的cephalic
- 旋转轴slewing axis
- 外科医生把他受伤的头部包扎起来。The surgeon bandaged up his injured head.
- 可旋转的rotatable
- 面罩附于妇女的帽子或头巾上的一段网状物，穿戴起来用作装饰或保护头部或脸部A length of netting attached to a woman's hat or headdress, worn for decoration or to protect the head and face.
- 旋转法rotary process
- 彗核彗星头部的中心部分The central portion of the head of a comet.
- 旋转式rotary type
