Kub kub ultrasonic flow sensor
High kub hom ultrasonic ndlwg sensor uas siv rau kev ntsuas kub nruab nrab hom ntsuas.
Qhov nruab nrab kub tuaj yeem ncav cuag 180 degree.
Yog tias muaj lwm yam ntxiv nrog tib daim ntawv thov, pls xav tiv tauj Q&T rau cov lus hais.
