totalizator

🇬🇧/ˈtəʊtəlaɪzeɪtə(r)/ 🇺🇸/ˈtoʊtəlaɪzeɪtər/ 27
a system of betting on horse races in which the aggregate stake, less an administration charge and tax, is paid out to winners in proportion to their stake 赛马赌金计算器

noun [专属名词]总额计算机;加法计算器;累积计算器;赛马赌金计算器

Water meters should be with a totalizer mechanism completely waterproof.
水表应具有完全防水的累加器机构。

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