名词中文翻译
中文翻译：手动单位
同义词：
['manual measurement', 'manual unit of measurement']
例句：
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1. The manualunit is used to measure the length of a ruler.
手动单位用于测量尺子的长度。
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2.In construction, the manual unit is often used to measure the amount of concrete poured.
在建筑中，手动单位通常用于测量浇筑的混凝土量。
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3. The manual unit is essential for ensuring accurate measurements in precision engineering.
手动单位对于确保精密工程中的准确测量至关重要。