This forces water through a tube formed by the tongue pressed against a groove in the roof of the mouth.
这迫使水流过一条由舌头压在上颚的沟槽部分形成的管道中。
Groove on the smooth curve together with cantilever slab has formed various effects of shade and shadow, which endows the building with an exquisite representation.
平滑曲面上凹槽与挑板形成丰富的光影效果，赋予大楼细腻的表情。
The spiral groove of pipe is formed by press die.
采用冲压模具实现了管材螺旋槽成形。
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