单锋螺纹刀具 single-point thread tool

单中锋 single post ; single-pivot ; single-post

原单冲锋裤 weather gear

单中锋进攻 single-pivot attack ; single-post attack

单发性的锋电位 spike potentials of SO ; SPSO

单层冲锋衣 single layer jacket

春款单层冲锋衣 spring single layer jacket