(1) Nrhiav qhov chaw zoo tshaj plaws uas qhov ntev ntawm cov yeeb nkab ncaj txaus, thiab qhov twg cov yeeb nkab nyob rau hauv qhov xwm txheej zoo, piv txwv li, cov yeeb nkab tshiab dua uas tsis muaj xeb thiab yooj yim rau kev siv.
(2) Ntxuav cov hmoov av thiab xeb. Yog xav tau qhov tshwm sim zoo dua, xav kom txhuam cov yeeb nkab nrog lub sander.
(3) Siv cov coupler kom txaus rau qhov chaw uas yuav tsum tau teeb tsa cov transducers thiab tsis txhob tawm qhov sib txawv ntawm cov yeeb nkab thiab cov transducers.
Ceev faj kom tsis txhob muaj xuab zeb lossis hmoov av seem ntawm cov yeeb nkab sab nraud thiab cov transducers.
Yuav kom tsis txhob muaj cov pa roj npuas sab hauv sab saud ntawm lub yeeb nkab, cov transducers yuav tsum tau teeb tsa kab rov tav ntawm sab ntawm lub yeeb nkab.
Lub sijhawm tshaj tawm: Plaub Hlis-29-2022