名词
中文翻译：套筒式花键铣刀
同义词：
['sprocket cutter', 'sprocket milling tool']
例句：
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1.The straddle sprocket is essential for the proper functioning of the machine.
套筒花键对于机器的正常运行至关重要。
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2.The engineer used a straddle sprocket to increase the machine's speed.
工程师使用套筒花键来提高机器的速度。
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3.The straddle sprocket was designed specifically for this type of machining operation.
套筒花键是为这种加工操作特别设计的。