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bit burnt
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bit burnt
Encyclopedia
理学
孔内事故
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bit burnt
烧钻
在钻进过程中,由于循环系统发生故障,在高速回转时产生高热,钻头与岩心、岩粉烧结在一起的事故。属孔内事故。
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space quantization
space quantization; spatial quantization
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space radiation
space radiation biology
space radiation damage
space radiation detection
space radiation effect on element and device
space radiation energy spectrum
space radiation environment
space radiation induced DNA damage
space-radiation mutation breeding
space radiation particles
space radiation protection
space radiation treatment
space radio astrometry
Space Radio Astronomy
space radio astronomy
spacer DNA
space reactor
space reddening
space reflection
space remote sensing
space renovation design
space repairing and maintainning satellite
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