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1. The cylinder cock operating lever is used to adjust the engine's air intake and exhaust valves.
汽缸操纵杆用于调整发动机的进气和排气阀门。
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2. The cylinder cock operating lever is a critical component of the engine's operation.
汽缸操纵杆是发动机运行的关键部件。
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3. The cylinder cock operating lever was designed to simplify the process of adjusting the engine's settings.
汽缸操纵杆的设计旨在简化调整发动机设置的过程。