Duration: (13) ?Subscribe5835 2025-02-21T02:24:44+00:00
<超音波伝搬状態の測定・解析> Ultrasonic technology
(2:)
(2:19)
(14)
(1:16)
(1:28)
(13)
(23)
(57)
(16)
(1:23)
(12)
(11)
(10)
<超音波伝搬状態の測定・解析> Ultrasonic measurement and analysis
(1:7)
(1:29)
(1:3)
(1:17)
(1:2)