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单词
protoactinium
释义
protoactinium
英?[?pr??t??'?kt?n??m]
美?[?pro?to?'?kt?n?rm]
释义
n.
镤
英英释义
Noun
1. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
行业词典
医学
镤:同protactinium???
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sintered stainless steel filter
sintered steel
sintered structural part
sintered tube
sintered tungsten bar
sintered tungsten carbide
sintered tungsten carbide compact bit
sintered type cadmium-nickel battery
sintered UO2 pellet
sintered wear resistant material
sintered wearresistant material
sinterer
s interface
sinter feed
sinter fines
sinter flat
sinter forging
sinter fuse coating
sinter fused
sinterfused
sinter green
sintering
sinter(ing)
sintering activity
sintering aid
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更新时间:2026/9/29 15:28:04