例句與造句

1. Installing double glazing, that is, a window unit with two panes of glass separated by a layer of air or inert gas, can effectively raise the insulating efficiency ( called the R-value ) in the skylight.
2. The information gives consumers an opportunity to compare relative insulating efficiencies, to select the product with the greatest efficiency and potential for energy savings, to make a cost-effective purchase and to consider the main variables limiting insulation effectiveness and realization of claimed energy savings.
3. It's difficult to find insulating efficiency in a sentence. 用insulating efficiency造句挺難的