名词
中文翻译：煤气罐门铃
同义词：
['gas meter bell', 'gas valve bell', 'gas cap bell']
例句：
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1. The gas-holder bell was a useful tool for the gas company to alert customers of any leaks.
煤气罐门铃是燃气公司用来通知客户任何泄漏的一种有用的工具。
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2.When the gas ran out, the gas-holder bell went off, signaling that it was time to turn off the gas.
当煤气用完时，煤气罐门铃响了，提示该关掉煤气了。
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3.The gas-holder bell is a common feature in many homes, providing an easy way to check on the gas levels.
煤气罐门铃是许多家庭中常见的一个特征，提供了一个方便的方式来检查煤气水平。