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electromagnetic ultrasonic internal detector
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electromagnetic ultrasonic internal detector
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电磁超声内检测器
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electromagnetic ultrasonic internal detector
电磁超声内检测器
由一个放置在管道内表面的磁场中的线圈构成,用来检测交变电流通过线圈在管壁中产生感应电流,从而产生洛仑磁力(该力由磁场控制)超声波的装置。又称电磁声学传感器装置。
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extremal coloring
extremal combinatorics
extremal construction
extremal control
extremal control systems
extremal convex domain
extremal correlation
extremal curvature
extremal curve
extremal deformation
extremal disconnectedness
extremal distance
extremal distribution
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extremal element
extremal epimorphism
extremal field
extremal function
extremal graph
extremal graph theory
extremal group
extremal horizontal slit mapping
extremal involution
extremality
extremality relation
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