I value Eric for remaining our contractor and the effort Eric and Danny have manufactured for us. I would undoubtedly request them to complete our kitchen and basement renovations Sooner or later.一般情况下先预埋烟管再进行吊顶，先预埋烟管比较方便用户和服务技师后期烟机的安装工作，并且也比较美观。如�