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eon
释义
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Encyclopedia
理学
宙
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宙
地质年代中延续时间最长的第一级地质年代单位。
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十亿年
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cleaning agent and pre-membrane agent
cleaning and disinfection equipment
cleaning appliance
cleaning boiler
cleaning cloth
cleaning diskette
cleaning fluids for automotive windshield
cleaning in place
cleaning-in-place,CIP
cleaning of silicon wafer
cleaning point
cleaning process device for person and material
cleaning room
cleaning service of museum
cleaning sprinkler tanker
cleaning suction truck
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clean limit
cleanliness
clean metallurgy of recycled metals
clean method
cleanness inspection of raw silk
clean nuclear energy
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