无生产的

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

无凸缘筒形件中应用较为普遍的一种拉深制件。

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

变形喷嘴可以最好膨化效果的无捻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烟无混合煤的试验结果和经验。