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1·All of the helicopter landing skids must be within the landing circle.

降落时脚架需完全落在圆形的降落区内。

2·The fuselage of the helicopter is teardrop-shaped, which features a round, glassed-in cockpit and landing skids.

直升飞机的机身是水滴形，一个圆形、围玻璃的驾驶员座舱和登陆橇。

3·Land with the skids completely within the landing area.

降落时脚架需完全落在降落区内。