lead free fuel 中文意思是什麼
lead free fuel
解釋
無鉛燃料-
The appearance in recent years of rapier solid fuel propulsion units has also lead to an entertaining detour into the wonderful world of small free - flight scale jets
近年來固態火箭發動機(翻譯者注:不知道怎麼翻譯,從後面看就是火箭發動機原理)也開始在小尺寸像真模型的領域應用。
分享友人