101科學教室:火箭《國家地理》雜誌

2020 5:29
Synopsis
飛往太空的#火箭是人類最大的成就之一。雖然火箭有許多不同形似與尺寸,所有火箭都是由發動機所產生的強大推力起飛的。發射到 ...
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