名词
中文翻译：密封隔膜
同义词：
['seat belt', 'seatbelt', "safety belt例句：1. The car's watertight diaphragm is designed to prevent leaks.（这辆车的密封隔膜设计用来防止泄漏。）"]
例句：
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1. The car's watertight diaphragm is designed to prevent leaks.
这辆车的密封隔膜设计用来防止泄漏。
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2.The engineer used a watertight diaphragm to seal the gap.
工程师使用一个密封隔膜来密封缝隙。
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3.The safety belt was designed to protect passengers in case of an accident.
安全带被设计成在发生事故时保护乘客。