mechanical sector ultrasonic scanner
... 扫掠 [电子学] scanner; scan; sweep; trace; search; scanning◇扫掠干扰 sweep-spot jamming; sweep through; 扫掠干扰机 [电子学] sweep-through jammer; 扫掠机构 scanner 超声扇形机械扫描系统 mechanical sector ultrasonic scanner 光栅型机械扫描系统 mechanical raster scanning type system ...
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