firetubes

firetubes

美 　英

• 网络锅炉；消防管

例句

Also shown is how to make the flaring and rounding over tool for installing the firetubes.

还表明，是如何使燃烧和四舍五入，超过的工具，安装

firetubes . Again they give a great discription of how to do this.

再次给予他们一个伟大discription如何做到这一点。