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cast iron造句
241) If the tank is made of cast iron, don't paint the interior surfaces, but be sure to remove all grit and core sand. 242) It enables stable machining of carbon steel, alloy steel and cast iron. 243) The ingot mold made of vanadium titanium vermicular graphitic cast iron has the best comprehensive property. 244) With increasing austempering temperature, the impact toughness and hardness of the high alloy white cast iron decrease. 245) By making use of quenching and thermal-analysis technology, experiments showed that solidification process of CV-graphite cast iron during eutectic reaction can be divided into two stages. 246) White cast iron contain a lot of free cementite, nature brittle hard, very wear-resisting. 247) The roller, with smooth surface after polished, is made of chilled cast iron. 248) Nodular cast iron is now widely used in our country to make the crankshafts of the medium-speed marine diesels.