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replacing bit without lifting drills
释义
replacing bit without lifting drills
Encyclopedia
理学
钻进工艺
释
replacing bit without lifting drills
不提钻换钻头
绳索取心钻进过程中,在不起下钻的情况下,将孔底旧钻头单独或随内管总成一起打捞至地面,并将新钻头单独或随内管总成一起下入孔底进行钻进的作业。
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photosensitive device
photo sensitive dye
photo-sensitive dye
photosensitive effect
photosensitive glue film
photosensitive material
Photosensitive material performance
photosensitiveness
Photosensitive plate burning
photosensitive polymer
photosensitive polymer material
photosensitive polymer materials
photosensitive resin
photosensitive resin printing plate
photosensitive resistance
photosensitive resistance, photoresistor
photosensitive sensor
photosensitive surface
photosensitivity
photosensitivity dermatitis
photosensitivity, light sensitivity
photosensitization
photosensitize
photosensitized oxidation
photosensitizer
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