bell valve
常见例句
- The blast furnace top with two bells and one seal valve is a better bell-valve type top in com-parison with other ones.
双钟一阀式炉顶是一种较好的钟阀式炉顶。特点是密封阀的数量最少，处在温度较低的顶部，检修更换方便。 - 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.
济钢第一炼铁厂高炉料钟、放散阀、火管是维系高炉生产的重要设备，其寿命成为制约高炉技术经济指标提高的瓶颈。 返回 bell valve