Vacuum differential-pressure casting  真空差压铸造

Differential Pressure Casting  差压铸造; 差压铸造件

differential pressure casting process  差压铸造

absolute pressure vacuum gauge  绝对压力真空表; 绝对压力真空计

Atmospheric and Vacuum Pressure Unit  常减压

attenuation of vacuum pressure  真空度衰减

black vacuum presure  真空负压施压

Bourdon pressure vacuum gage  波登压力真空计

coarse vacuum pressure alterable  低真空变压

critical vacuum pressure  临界压力

differential vacuum valve  压差阀

glass-construction vacuum pressure measuring gauge  玻璃结构真空压强测量规

Low Pressure Vacuum Carburizing  低压真空渗碳

low pressure vacuum pump  高真空泵

low-pressure vacuum sintering furnaces  低压真空烧结炉

manifold vacuum pressure reading  歧管真空压力读数

metal-porcelain sealpackage vacuum pressure measuring meter  金属陶瓷真空压强测量仪

oil feed pressure vacuum pump  进油压力真空泵

optimal vacuum pressure  最佳真空度