名词
中文翻译：入口衬套
同义词：
['accessory', 'fitting', 'insert']
例句：
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1.The engineer designed a new entrance bushing to improve the efficiency of the building's elevator system.
工程师设计了一个新的入口衬套，以提高建筑物电梯系统的效率。
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2.The manufacturer replaced the old entrance bushing with a more durable one.
制造商用更耐用的入口衬套替换了旧的衬套。
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3.The construction crew installed the new entrance bushing in the lobby before the renovation began.
施工团队在装修开始前，将新的入口衬套安装在大厅里。