dynamic compaction in combination with high vacuum drainage
high vacuum
高
高度真空
高真空
高真空电子管调变器
真空度
硬性电子管调变器
high vacuum autoclave with pulsing system
high vacuum composite technique
High Vacuum Densification Method
high vacuum distillation
high vacuum melting furnace
High Vacuum Multi-layer Insulation
high vacuum preloading with dynamic compaction
ultra high vacuum temperature programmed desorption
vacuum high pressure gas quenching
grouting by vacuum method