The counterweight iron classifies generally according to the modelling method, in the custom divides into the ordinary sand mold counterweight iron and the special counterweight iron.
配重铁一般按造型方法来分类，习惯上分为普通砂型配重铁和特种配重铁。
The counterweight iron classifies generally according to the modelling method, in the custom divides into the ordinary sand mold counterweight iron and the special counterweight iron.
配重铁一般按造型方法来分类，习惯上分为普通砂型配重铁和特种配重铁。
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