An annular mold for curing an annular ring tread is disclosed.

一种治疗一环形胎面环模被披露。

youdao

This particular planetary nebula, pictured above and designated Shapley 1 after the famous astronomer Harlow Shapley, has a very apparent annular ring like structure.

上图中的行星状星云叫做Shapley 1以著名天文学家Harlow Shapley的名字命名，它有非常明显的环状结构。

youdao

A plurality of vertically long annular blanks 3 are punched out from the material 2 having a prescribed width, and the vertically long annular blanks 3 are formed on the annular ring-shaped member 1.

由 给定宽度的坯料2冲压出多个长度方向长的环状的毛坯3，将该长度方向长的 环状的毛坯3成形为圆环状的环状构件1。

youdao

The actual annular portion, in which the sun appears as a thin ring, will be about four minutes long, Newmark said.

CNN: Upcoming solar eclipse to project 'ring of fire'