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gen. peloponium
agric. columbium (Nb,41号元素,过去名钶,现改名为铌); niobium (Nb,41 号元素)
met. niobium (Nb)
nucl.phys. niobium; Nb
plast. columbium; Cb
space niobium (41号化学元素)
〔化〕铌
avia. niobium
化学元素
earth.sc. niobium
第41号元素
gen. niobium
元素Nb
compr. niobium
: 464 phrases in 16 subjects
Automobiles1
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Electronics14
General97
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Oil / petroleum4
Piezoelectric crystals3
Polymers1
Space4
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