Aan ideal engineering material in con-Struction,it is mainly used toreinforce cement,plastic,pitch,stone,wall materials,roofimg and so on.是什么意思_Aan ideal engineering material in con-Struction,it is mainly used toreinforce cement,plastic,pitch,stone,wall materials,roofimg and so on.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句