抽真空自冻结
vacuum pumping in freeze drying equipment
低真空自动调节器
automatic low vacuum regulator
电子传真机自动生产线
auto-production line for electronic facsimile
真空自动分段器
vacuum automatic sectionalizer
真空自动控制电源
automatic control souce of vacuum
真空自动重合器
vacuum automatic recloser
真空自发破缺
vacuum spontaneous breaking
真空自耗电弧炉
vacuum consumable electric-arc furnace
vacuum consumable electrode arc furnace
Vacuum Consumable Electro-arc Furnace
vacuum arc furnace
vacuum arc remelting(VAR)furnace
vacuum arc remelting furnace
VAR furnace
VCEA furnace
真空自耗电极电弧炉
vacuum consumable electrode arc furnace
真空自耗炉
vacuum consumable electrode melting furnace
真空自耗熔炼
Vacuum self- consuming arc melting
Var
真空自耗重熔炉
vacuum consumption remelting furnace