名词
中文翻译：Unknown
同义词：
['restricting orifice', 'restrictive orifice例句：1. The restriction orifice is responsible for the flow of gases through the pipe.（限制孔口负责通过管道的气体流动。）2. The engineer designed a new restriction orifice to improve efficiency.（工程师设计了一个新的限制孔口以提高效率。）']
例句：
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1. The restriction orifice is responsible for the flow of gases through the pipe.
限制孔口负责通过管道的气体流动。
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2. The engineer designed a new restriction orifice to improve efficiency.
工程师设计了一个新的限制孔口以提高效率。
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3.The restriction orifice is essential for maintaining proper airflow in the system.
限制孔口对于保持系统内适当的气流至关重要。