名词
中文翻译：水平尺
同义词：
['level', 'plumb例句：1. The engineer used a levelling peg to ensure the wall was perfectly straight.（工程师使用水平尺确保墙壁完全直。）']
例句：
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1. The engineer used a levelling peg to ensure the wall was perfectly straight.
工程师使用水平尺确保墙壁完全直。
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2.He placed the levelling peg at the center of the room and checked the angle.
他将水平尺放在房间中心并检查角度。
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3. The surveyor used a levelling peg to measure the height of the building.
测量员使用水平尺测量建筑物的高度。