When the moulding technological test is carried out on the air impulse test moulding machine, the moulding sand employed is the sand used by Nanchang Diesel Factory for high-pressuremoulding.
利用气流冲击试验机进行造型工艺试验，使用的型砂为南昌柴油机厂高压造型用砂。
2
Sample of porous SiC polycrystals are prepared by solid sintering process under high temperature and normal pressure using moulding SiC powder.
碳化硅粉末经压制成型后，在高温常压下固相烧结制成多孔碳化硅样品。
3
The production method of as-cast high strength and toughness ductile iron crankshaft for "Shenlong" brand car with highpressuremoulding line was finally determined.