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Terms for subject
Chemistry
(66111 entries)
background equivalent activity
天然本底放射性当量强度
background of mass spectrum
质谱本底
background stain
负染色法
backing material
基底材料
backing run
打底焊道
backing run
封底焊
backing side trap
前级冷阱
backing weld
打底焊
backmix fluidized bed reactor
返混流化床反应器
backpressure
反压
力
backpressure operation
背压操作
backscattering spectrometry
反散射能谱法
backside attack
香面进攻
backside displacement
后侧取代
backsiphonage
倒虹吸
backsiphonage
反吸
backsiphonage
回吸
作用
backward feed
逆流加料
backward feed
逆向进料
backward flow
逆向流动
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