国产性生大片免费观看性_亚洲人成人一区二区三区_亚洲精品无码专区在线播放_色窝窝无码一区二区三区成人网站_又黄又无遮挡aaaaa毛片

? ?
Forvacuum Pit Resistance Furnace with Protective Atmosphere
FontSize:【L??M S
Profile:

Function: annealing of welding rotor
Effective workspace: diameter≥4,000mm, length≤13,000mm
Maximum loading capacity of furnace: 300t (250t for rotor)
Furnace temperature uniformity: ±8℃
Heating method: electrical heating
Working vacuum: 133.3Pa
Working pressure: 1.5 x105Pa
Protective atmosphere: nitrogen