rich gas heating with flue gas rarefaction in coke ovens
稀疏区
rarefaction region【地物】
暂无补充释义。
rarefaction region【地物】
暂无补充释义。
rich gas heating with flue gas rarefaction in coke ovens
rarefaction of bone
rarefaction
rarefaction
rarefaction【声】
rarefaction state【物】
rarefaction
rarefaction of air