名词
中文翻译：单锁式护栏
同义词：
['single lock', 'single-lock', 'single-lock gate']
例句：
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1. The new security system uses asingle-lock welt to prevent unauthorized access.
新的安全系统使用单锁式护栏以防止未经授权的访问。
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2. Theconstruction crew installed the single-lock welt on the perimeter of the building.
建筑工人在建筑物的外围安装了单锁式护栏。
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3. The single-lock weltis designed to provide additional security for thearea around the gate.
单锁式护栏旨在为大门周围的区域提供额外的安全性。