So in the construction industry concrete is the stuff that results when you mix cement with fillermaterial like sand or gravel.
因此在建筑业范围内,混凝土是水泥与沙或沙砾等填充物混合之后的产物。
2
Acetone is charged into the cylinder and completely fills the pores of the fillermaterial. Acetone is the solvent which will dissolve the acetylene gas charged into the cylinder.
丙酮被充入钢瓶,彻底填满填充物材料的孔道。它是溶剂,能够溶解充入钢瓶的乙炔气体。
3
Acetone is charged into the cylinder and completely fills the pores of the fillermaterial.