同义词
1)law of conservation of mass,质量不灭定律2)law of conservation of energy,law of conservation of matter,物质不灭定律<冶>3)law of conservation of matter,物质不灭定律4)law of correlation,law of conservation of energy,能量不灭定律5)conservation of mass [matter],质量不灭6)mass law,质量定律
