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electron beam surfi-sculpt
电子束毛化
利用电子束作为热源,通过电子束流与材料表面的相互作用而产生各种特殊的成型效果的技术。
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preadaptation
pre-adaptation to climate change
preadditive category
pre advancement
preageing
preaging
Preah Vihear Province
Preah Vihear Temple
Preah Vihear Temple Dispute
pre-alarm of big data
prealbumin
prealgebra
prealgebraic variety
preallocation
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pre-alloyed powders
prealloying
preamble
preamble to the constitution
preamp
pre-amplification
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