Khoom piav qhia
Cov qauv simulation muaj qhov siab ntawm kev kho dua tshiab Kev tsim qauv ntawm tus qauv yog qhov yooj yim thiab meej, thiab muaj ib txoj kab dotted cim qhov chaw txhaj tshuaj nyob rau hauv ib nrab ntawm lub duav cheeb tsam Txhaj qauv muaj pes tsawg leeg.Cov qauv txhaj tshuaj tuaj yeem txhaj tshuaj, thiab cov kua tuaj yeem muab rho tawm thiab pinched kom siv tau ntau zaus.Nws yog ib qho kev qhia zoo tshaj plaws rau cov tub ntxhais kawm xyaum.