Therefore, it is necessary to study the application of vanadium-titanium vermicular cast iron in ingot mould, glass mold, auto brake drum and brake disc using abundant V-Ti iron in China.
因此，利用我国丰富的钒钛生铁资源，开展钒钛蠕墨铸铁在钢锭模、玻璃模具以及汽车刹车鼓和列车制动盘等方面的应用研究很有必要。
The text introduces constant faults along with case study and relevant eliminative methods about auto reinforcement drum-type halt vehicle brake system of light car.
介绍了轻型汽车自动增力鼓式驻车制动系统常见故障现象，原因分析及相应的排除方法。
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