modulation depth meter 调制深度计 ; 调制测深器
pressure-depth meter 压力深度计
critical depth meter 临界深度量水计
optical snow depth meter 光学雪深计
snow depth meter 雪深计
Acupuncture needle insertion depth meter 针灸针深度计
Depth Meter- 深度计
depth meter method 测深仪法
telemetering depth meter 遥测深度仪
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