heavy bomber 中文意思是什麼
heavy bomber
解釋
重轟炸機-
Engineers " gyratory testing machine ( gtm ) of u. s corps was invented to solve questions which happened on flexible pavement, once used by the biggest and the most heavy bomber
美國工程兵旋轉壓實剪切實驗機( gtm )是美國空軍為解決最大最重的轟炸機柔性跑道容易出現問題而專門研究發明的。
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