詞語：pumpdown
pumpdown的解釋
pumpdownn. 抽氣；抽水；抽空；抽空降壓
pumpdown的意思
pumpdown 抽氣;抽水;抽空;抽空降壓;fast pumpdown 高速抽氣;pumpdown perforator 泵送射孔器;pumpdown choke 泵送節流器;
pumpdown的參考例句
1.Capture water vapor and cut pumpdown time by as much as 75% in high-vacuum systems; 在高真空系統中抽吸水汽，縮減抽空時間多達75%；
2.Cryocondenses water vapor in vacuum systems, High-vacuum pumpdown time cut by 25% to 75%; 在高真空系統中抽吸水汽，縮減抽空時間多達75%；