个人喜欢用那种叫做聚酯薄膜的保温材料。
What I like to use is that thermal blanket material called mylar.
用一张纸或聚酯薄膜霞盖在平板仪上，可在制图时作诠释。
A sheet of paper or mylar covering the plane table is annotated during map construction.
目前国内特种聚酯薄膜市场的需求在不断增长，国际市场前景更加广阔。
At present there is increasing demand for special polyester film in domestic market.
目前国内特种聚酯薄膜市场的需求在不断增长，国际市场前景更加广阔。
At present there is increasing demand for special polyester film in domestic market.
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