Roll mat ---Can be cut and fit into different types of cavity wall ,can be installed into any position of the construction ,especially the long and nonblocked area,such as the roofing of metal building ;the slot of power lines ,water pipes .是什么意思_Roll mat ---Can be cut and fit into different types of cavity wall ,can be installed into any position of the construction ,especially the long and nonblocked area,such as the roofing of metal building ;the slot of power lines ,water pipes .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句