A sheet of paper or mylar covering the plane table is annotated during map construction.
用一张纸或聚酯薄膜霞盖在平板仪上，可在制图时作诠释。
I will have to consult the plane time table first.
我得先查阅飞机时刻表。
飞机模型在桌子上方。
I'll have to consult the plane time table first.
我得先查阅飞机时刻表。
I'll have to consult the plane time table first.
我得先查阅飞机时刻表。
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