Yog hais tias ib feem yuav ya mus saum ntuj ntawm qhov ceev tshaj 600 mph, nws yog qhov zoo tshaj rau hnav-tiv taus.Lub tshuab nqus tsev yog ib qho tseem ceeb rau cov khoom siv hauv aerospace uas tiv taus qhov kub thiab txias, kev sib txhuam thiab qhov hnyav.
Post lub sij hawm: Lub Xya hli ntuj-19-2022