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vacuum electron beam welding
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vacuum electron beam welding
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vacuum electron beam welding
真空电子束焊
在真空环境下,利用高速电子会聚形成的电子束流轰击被焊金属连接部位,产生的热量使被焊金属熔化,从而实现连接的焊接方法。
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double-graded
double graph
double group
double helix
double helix model
double helix structure
double heterostructure
double hole scheme
double hook type netting machine
double-hours
double-humped
double-humped barrier
double-humped profile
Double Hundreds Policy
double image
double image coincide measuring distance
double-image prism
double implication
double inclusive process
double inflection
double insulation
double insurance transmission for the llve broadcasting signal
double integral
double integrating accelerometer
double integration
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