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mortar-void ratio
tech. 灰浆孔隙比; 灰浆空隙比; 砂浆空隙比
mortar-voids ratio
archit. 灰浆空隙比
mortar voids ratio
el. 灰浆孔隙比; 砂浆空隙率
mortar-voids ratio
eng.geol. 砂浆孔隙比