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正循环钻进
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正循环钻进
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directional circulation drilling
正循环钻进
冲洗介质经钻杆内腔流向孔底,将钻头切削破碎下来的钻渣岩屑,经钻杆与孔壁的环状空间携带至地面的钻探循环方式。
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catastrophic laser-damage threshold
catastrophic optical mirror damage(COMD) and elimination technique
catastrophic sea wave
catastrophic self-focusing
catastrophic theory
catastrophic variable
catastrophism
catastrophology
catathermometer
catatonia
catatonic syndrome
catatonosis
Catavi Massacre
cat ba langur
catbrier family
Catch-22
catch-all party
catch and relief method
catch digger
catcher foil
catcherresonator
catch foil
catchment analysis
catchment area/ basin
catch of total fishing effort
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