Drag onto the page to add a stretchable road segment.
拖到繪圖頁后,可以添加可延長路段.
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A kind of spring energy accumulation typed stretchable mechanism used in aerobat was designed.
摘要設計了一種飛器用彈簧儲能式空間可伸展機構.
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A kind of energy accumulation typed stretchable mechanism used in aerobat was designed.
設計了一種飛行器用彈簧儲能式空間可伸展機構.
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