N-COUNT (相对于现代化工业而言，重工业和制造业等传统的)烟囱工业 A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics. (相对于现代化工业而言，重工业和制造业等传统的)烟囱工业
There has been a shift from smokestack industries into high-tech ones.