- 螺旋: corkscrewspin; screw; spiral ...
- 台阶: footstep; step; altar; bench
- 螺旋台阶高度: spiral step-height
- 台阶: 1.(踏级) footstep; step; altar; bench 十几级台阶 a flight of a dozen steps2.[讯] pedestal sit3.[矿物学] open pit bench4.(避免因僵持而受窘的途径或机会) an opportunity to extricate oneself from an awkward position 给他们找个台阶下吧。 give them an out
- 磨轮轴旋台: work spindle stock
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