1、Smokestack and tailpipe controls, as well as planting trees, can reduce pollution, too.
對煙筒和圍棋的控制也可以減少污染，指數(shù)造林也可以減少污染。

2、Men in suits watch an experimental smog-control device on a smokestack in 1948.
1948年，這些西裝筆挺的人們正在觀看一臺利用煙囪調(diào)節(jié)煙霧的實驗性設(shè)備。

3、There has been a shift from smokestack industries into high-tech ones.
產(chǎn)業(yè)結(jié)構(gòu)已由傳統(tǒng)工業(yè)轉(zhuǎn)向了高科技產(chǎn)業(yè)。

smokestack翻譯