Whether you will be working from above or below, you are also going to need metal insulation supports to hold up the batts or the loose-fill.是什么意思_Whether you will be working from above or below, you are also going to need metal insulation supports to hold up the batts or the loose-fill.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句