常見例句雙語例句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,利用我國豐富的釩鈦生鐵資源,開展釩鈦蠕墨鑄鐵在鋼錠模、玻璃模具以及汽車剎車鼓和列車制動盤等方面的應(yīng)用研究很有必要。rjggy.net 返回 cast iron ingot mould