VD electric furnace is a king of degasification equipment from molten steel during steel making process.

VD真空精炼炉主要是用来生产重轨、钢帘线等高附加值的钢种.

The paper analysed contact fatigue performances of vacuum degasification steel and common electric steel.

试验并分析了真空脱气钢和普通电炉钢的接触疲劳性能.

The degasification mechanism of a vacuum drilling fluid degasser, the matching of the vacuum pump with sewage pump and the selection of various parameters are discussed.

论述了真空式除气器的除气机理及设计真空式除气器时真空泵、污水泵的匹配和各种参数的选择。