名词
中文翻译：主起动空气阀同义词
同义词：
['main valve', 'primaryair valve', 'primary control valve例句：1. The main starting airvalve is responsible for controlling the flow ofair to the engine.（主起动空气阀负责控制向发动机输送的空气流量。）']
例句：
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1. The main starting airvalve is responsible for controlling the flow ofair to the engine.
主起动空气阀负责控制向发动机输送的空气流量。
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2. Themain starting air valve must be replaced regularlyto ensure proper operation of the engine.
主起动空气阀必须定期更换，以确保发动机的正常运转。
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3. Main starting air valvesare designed to prevent excessive pressure buildupin the engine.
主起动空气阀的设计旨在防止引擎内压力过高。