perlite的精选

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用“expanded perlite”造句大全，expanded perlite造句

用“expanded perlite”造句大全，expanded perlite造句

2017-02-15
Preparationofparaffin/expandedperlitecompositephasechangematerialsAtpresent,China'sconstructionindustry,roofinsulation,turnonthebeamusedinfillingorexpandedperlite,etc.,ceramic,aeratedconcreteblock,ci...