echograph

echographechograph[ˈekəuˌɡrɑ:f]n.1.■音响测深自动记录仪,回声深度记录器

---

echograph['ekəuɡrɑ:f; -ɡræf]n.1.■【医学】(用于检查人体内脏或胎儿发育的)超声波回声检查仪2.■(用于绘制海底地形图、探测鱼群等的)音响测深自动记录仪，回声深度记录器

echographechograph[ˈekəuˌɡrɑ:f]n.1.■音响测深自动记录仪, 回声深 度记录器