關於perlite的百科

• expanded perlite造句怎麼寫

• Preparationofparaffin/expandedperlitecompositephasechangematerialsAtpresent,China'sconstructionindustry,roofinsulation,turnonthebeamusedinfillingorexpandedperlite,etc.,ceramic,aeratedconcreteblock,cinderandsoon.Suchasslag,waterslag,expandedvermiculi...
• 2017-02-1518105