The key to implement combined blowing technology is how to insure life-span of bottom nozzle as long as campaign of convertor.
复吹转炉技术的实现其关键是如何保证底吹喷嘴寿命与炉龄同步的问题。
The filters are comprised of a clay pot set inside a plastic bucket with a nozzle at the bottom of it.
该过滤器其实就是一个涂敷胶体银的多孔过滤陶罐装在其底部开有水嘴的塑料桶里。
Mould name: P - 201 packing paper tube（paper tube body，top cap，bottom cap and the extrusion nozzle）.
1：模具名称：P-201包装用纸管（纸管本体，上盖，下盖，挤出嘴）。
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