Nrhiav txoj haujlwm 3 thiab 9 teev (180 ° symmetrically) raws li qhia hauv daim duab 3.1.
Ob lub transducers hu ua A thiab B transducer, A yog kis transducer thiab B tau txais transducer, lawv yuav tsum tau nruab 180 ° symmetrically thiaj li muaj qhov ntsuas qhov tseeb dua, pom raws li daim duab 3.1.
Tag nrho cov transducers muaj Serial Number sib raug rau transmitter Serial Numbe
Post lub sij hawm: Nov-07-2022