名词
中文翻译：水平调节器
同义词：
['level-regulating bulb', 'level-adjusting bulb例句：1. The levelling bulb is used to adjust the height of a lamp.（水平调节器用于调整灯的高度。）']
例句：
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1. The levelling bulb is used to adjust the height of a lamp.
水平调节器用于调整灯的高度。
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2.The engineer installed the levelling bulb in the ceiling to ensure proper lighting.
工程师在天花板上安装了水平调节器以确保照明适当。
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3.The levelling bulb was designed to prevent tilting and ensure stability during installation.
水平调节器设计用来防止倾斜并在安装过程中确保稳定性。