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四乙基铅 sìyǐjīqiān
gen. tetraethylplumbane
auto. lead tetraethyl
avia. tetraethyl lead
chem. tetraethyllead
earth.sc. tetraethyl-lead
ecol. tetraethyl lead (Pb (C₂H₅)₄，为当前城市大气污染源之一)
四乙基铅｛化｝ sìyǐjīqiān
earth.sc. tetraethyl-lead
四 乙 基铅: 11 phrases in 5 subjects
Automobiles3
Chemistry1
General1
Oil / petroleum3
Technology3

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