bell valve

常見例句

雙語例句

• The blast furnace top with two bells and one seal valve is a better bell-valve type top in com-parison with other ones.
  雙鐘一閥式爐頂是一種較好的鐘閥式爐頂。特點(diǎn)是密封閥的數(shù)量最少，處在溫度較低的頂部，檢修更換方便。
• The bell , valve and fire duct are important equipments to guarantee the production of blast furnace in the first iron mill of Jinan Iron and Steel Group Co.
  濟(jì)鋼第一煉鐵廠高爐料鐘、放散閥、火管是維系高爐生產(chǎn)的重要設(shè)備，其壽命成為制約高爐技術(shù)經(jīng)濟(jì)指標(biāo)提高的瓶頸。
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