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heptane ['heptein] n
agric. 庚烷 (C₇H₁₆)
auto. 庚烷辛烷值为零
chem. 正庚烷; 庚〔级〕烷
met. 庚烷 (CH3(CH2)5CH3)
oil.proc. 庚烷
perf. 庚烷
“-heptane n
oil 正庚烷
heptane
: 19 phrases in 8 subjects
Automobiles1
Chemistry4
Metallurgy1
Oil / petroleum4
Perfume5
Plastics1
Technology2
Water resources1