horse-shoe collar

基本解释

• [交通运输工程]马蹄环

英汉例句

权威例句

• Technical advances that helped self-sufficient farming communities to be more productive became more widely adopted across Europe and this led to the development of the horse-collar, allowing more efficient haulage and plowing, the horse shoe, the mouldboard plough, allowing the cultivation of heavier northern European soils and a widespread adoption of water power in the form of water mills and tidal mills.
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专业释义

交通运输工程

• 马蹄环