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低热值煤气 dīrèzhí méiqì
auto. gas at low heating value
chem. low BTU gas
met. LBTU gas; low caloric value gas; low-grade gas; low-heating-value gas
tech. low-calorific value gas
热值煤气
met. low caloric value gas; low-grade gas
低热值煤气: 4 phrases in 1 subject
Metallurgy4