名词
中文翻译：排水阀球
同义词：
['drain valve', 'drain ball例句：1. The drain valve is located at the bottom of the sink.（排水阀位于水槽底部。）2. The drain valve needs to be replaced regularly to prevent clogs.（需要定期更换排水阀以防止堵塞。）']
例句：
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1. The drain valve is located at the bottom of the sink.
排水阀位于水槽底部。
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2. The drain valve needs to be replaced regularly to prevent clogs.
需要定期更换排水阀以防止堵塞。
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3. The drain valve is responsible for directing wastewater away from the sink.
排水阀负责将废水从水槽引导出去。