无生产的

Flangeless cylindrical parts are a kind of drawing parts and widely applied in production.

凸缘筒形件是生产中应用较为普遍一种拉深制件。

The texturizing jets allow for the highest possible bulk level with resulting in a twist-free BCF yarn.

变形喷嘴可以生产最好膨化捻BCF纱。

This article concludes the test result and production experience of the internal puddler aboutinjecting the bituminous and anthracite mixed coal.

本文归纳了国内铁工作者关于高炉喷吹合煤试验结和生产经验。