right-hand spiral bevel gear 右旋锥齿轮 ; [机] 右旋齿锥齿轮
left-hand spiral bevel gear 左旋锥齿轮
hand of spiral 螺旋方向
left hand spiral bevel gear 左旋螺旋伞齿轮
left-hand spiral 左螺旋
hand spiral bevel gear 右旋锥齿轮
right-hand spiral groove 右旋螺旋槽
hand reamer with spiral flutes 带螺线槽的手铰刀 ; 带螺线槽手用铰刀 ; 带螺线槽的手用铰刀
spiral flute hand reamer 螺旋槽手用铰刀
Picking your way down a spiral staircase at Brompton Road, your hand runs over art-nouveau wall tiles in green, cream and brown.
当你沿着布朗普顿路地铁站螺旋状的楼梯拾阶而下,你的手轻轻拂过的是绿色、雪白、棕褐色的新艺术风格的墙砖。
On the other hand, we can see time as a circle, or a spiral.
另一方面,我们也可以把时间看作是一个环形,或一个螺旋。
Harry hurried over to the door leading to the spiral staircase, but his hand had only just closed upon the iron ring of the door when he heard running footsteps on the other side.
哈利匆匆跑向旋转楼梯的门,但他刚握住铁门环,就听见门的另一边传来奔跑的脚步声。
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