名词
中文翻译：活塞阀杆
同义词：
['piston stem', 'cylinder stem', 'piston rod']
例句：
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1.The piston valve stem is crucial forthe proper functioning of the engine.
活塞阀杆对于发动机的正常运作至关重要。
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2. The piston valve stem is designed to ensure asmooth transition between the intake and exhaust strokes.
活塞阀杆的设计旨在确保进气和排气行程之间的平滑过渡。
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3. The piston valve stem is made from high-quality materials to withstand the harsh conditionsof the engine.
活塞阀杆由高质量的材料制成，以承受发动机恶劣的条件。