对喷嘴选择，直、横浇道及浇口设计等进行了分析。

Make analyses of selecting nozzle and designing sprue runner and gate and etc.

youdao

对喷嘴选择，直、横浇道及浇口设计等进行了分析。

Make analyses of selecting nozzle and designing sprue runner and gate and etc.

youdao