helium airship 中文意思是什麼
-
An airship is a lighter than air aircraft. it has twin engines and uses " helium ", a non - flammable gas, as a lifting gas which is contained in a large envelope
飛船是較空氣為輕的飛行器，置有兩個發動機，並依靠注入于大型氣囊的不燃氣體氦推動其上升。
分享友人