名词短语
中文翻译：认证平滑犁头
同义词：
['认证平地犁，认证犁例句：1. The certified smoothing harrow is an essential tool for preparing the soil before planting.（认证平滑犁是种植前准备土壤的必备工具。）2. The farmer used the certified smoothing harrow to level the land and prepare it for planting.（农民使用认证平滑犁来平整土地并准备种植。）']
例句：
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1. The certified smoothing harrow is an essential tool for preparing the soil before planting.
认证平滑犁是种植前准备土壤的必备工具。
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2. The farmer used the certified smoothing harrow to level the land and prepare it for planting.
农民使用认证平滑犁来平整土地并准备种植。
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3.The certified smoothing harrow was designed to reduce soil compaction and improve soil quality.
认证平滑犁被设计用来减少土壤压实和改善土壤质量。