用“earthenware pipe”造句大全,earthenware pipe造句 国语站 造句 2.22W 大中小设置文字大小 a short earthenware pipe on the top of a chimney to increase the draft.The invention also provides a method for manufacturing the artificial lung which mainly includes a coating technics of the hollow fibre and gradient earthenware pipe. TAG标签:pipe earthenware 造句 #