Kaw Suction system yog qhov zoo tshaj plaws kaw Suction System.
Nws yog tsim los nrog lub tes tsho tiv thaiv kom cais cov kab mob sab hauv thiab pab cov neeg zov me nyuam kom tsis txhob kis kab mob.
Kev tsim qhov cua ib txhij yuav tso cai rau cov neeg mob qhov kev nplij siab ntawm kev nqus dej tsis tas yuav tsum tau ua kom cua txias.