There are four types of the cloggings in the submerged nozzle for continuous casting. They are, namely, deoxidation products, solidified steel, complex oxides and reaction products.

连铸水口堵塞的类型有四种，即脱氧产物、固态钢、复杂氧化物及反应产物。

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There are four types for your choices if it needs the second operation, but it makes better use of the energy to improve the products' quality.

如需二次定型，则有四种工作模式可供选择，从而更好地利用能源，提高产品质量。

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One big reason is that when it comes to hardware, consumers are increasingly interested in buying four different types of products: tablets, smartphones, high-definition televisions, and traditional PCs and laptops.

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