High viscosity pre gelatinized starch is widely used in feed, casting, oil drilling, corrugated boxes, building materials and other industries.

高粘度预糊化淀粉广泛应用于饲料、铸造、石油钻井、瓦楞纸箱、建材涂料等行业。

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This paper introduces the repair welding procedure for repairing an alumal casting piece of an oil pump cylinder, This method covers the shortages of AC argon arc weld and gas welding.

介绍了对油泵机缸体铝锰合金铸造件缺陷补焊修复的技术工艺，且弥补了若采用交流氩弧焊和气焊施焊时存在的不足。

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Finally, the possibility of WO91 type binder replacing tung oil used in casting industry is discussed.

最后讨论了WO91型粘结剂代替桐油粘结剂在铸造工业中应用的可能性。

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