The bar is held up by some spare spindles from our spiral staircase.
支撑吧台的是我们的螺旋楼梯上用剩下的支撑轴。
2
An S-twist yarn is one in which the fibers follow a spiral pattern parallel to the center bar of the letter s.
捻的纱线中的纤维成螺旋状并与字母s中间的斜杠平行。
3
The spiral crystal is just like a straight crystal bar with definite orientation coiled on a cylindrical surface. It is not formed spontaneously, but is formed under control.