impeller log是什么意思

中文翻译转轮计程仪

网络释义

1)impeller log,转轮计程仪2)rotary balance log,转轮式计程仪3)screw log,拖曳转轮式计程仪4)towedlog,拖曳转轮式机电计程仪5)trident log,转轮式机电计程仪6)submerged screw log,水轮计程仪