复数： whorls

Ordinary triangular whorl root stress centralizeandinfluencethefatigue life of the bolt seriously .

普通三角形螺纹根部应力集中较大,严重影响了螺栓的疲劳寿命.

Use special ocular to return what can wait to whorl and gear appearance to examine .

使用特殊的目镜还能对螺纹以及齿轮外形等的检验。

The helicopter is that the whorl wing is similar to a kind of aircraft .

直升机是旋翼类航空器的一种。

This is quickly followed by the appearance of the second whorl of stamen primordia .

接着很快出现了第二轮雄蕊原基。

Paint a whorl meticulous jinan tradition local flavour snacks .

济南传统精细风味小吃。