Cov khoom tso saib ntawm txhuas kev nyab xeeb net
2024-12-05
Nrog rau kev txhim kho thiab kev nce qib ntawm lub sijhawm, ntau thiab ntau lub helipads tshwm sim hauv lub neej, thiab nws cov xwm txheej siv feem ntau yog hauv kev cawm neeg mob thiab aerospace. Lub luag haujlwm ntawm kev nyab xeeb yog kom nce kev nyab xeeb ntawm kev tsaws helicopter thiab tiv thaiv cov khoom thiab tib neeg kom tsis txhob poob rau hauv kev phom sij.