Pump-down time 抽气时间 ; 抽空时间
final pump-down 最后抽气
pump-down tool 泵送工具
pump down time 抽真空时间
pump down of refrigerant 制冷剂抽空
pump down start 降压启动
drill pipe pump down plug 钻杆内泵送塞
In five years I had to strip the water pump down four times.
在5年里我不得不拆卸了那个水泵4次。
Shorter pump down time increases productivity.
减少抽气时间，效率更高。
This article reviews the advantages and the disadvantages of two kind of logging construction technologies: wet junction and pump down stinger.
介绍了湿接头和泵入法两种测井施工工艺的优缺点。
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