Pump body is by castironcasting blank forming, severe wear new thing should be changed.
泵体是由铸铁铸造毛坯成型,出现严重磨损时应更换新件。
2
The filling speed of lost foam castironcasting was measured by use of an integrated set of experimental equipment and a specially designed computer acquisition system.
研究了负压度、模样密度、浇注温度、金属静压头等工艺因素对消失模铸铁件充型速度的影响规律。
3
I was founded in 1994, is a specialized in castiron, cast steel, alloy castiron, ductile iron casting processing units.