In planta vacuum infiltration
vacuum casting
真空浇注
负压浇注
真空铸制
真空浇铸
真空铸造
真空熔铸
眞空铸造
真空吸注
真空注浆
真空除气机
真空注型
vacuum infiltration
真空渗透
真空渗入
真空浸渍
真空渗流
真空熔渗
负压铸渗
真空渗糖
植株原位真空渗入法
中空球
vacuum infiltration method
Vacuum infiltration transformation
Casting infiltration technology
Centrifugal Infiltration Casting
common infiltration casting
Infiltration casting process
melt infiltration casting
microwave vacuum drying combined with vacuum drying
casting steel of container anger casting
126 kV double-break vacuum circuit breaker
20 kV outdoor on-post vacuum circuit breaker
24 kV outdoor high-voltage AC vacuum circuit breaker