名词
中文翻译：上部导向金属
同义词：
['上部导向杆，上部导向柱例句：1. The upper guide-metal is crucial for the operation of the machine.（上部导向金属对于机器的运行至关重要。）2. The engineer used the upper guide-metal to adjust the position of the machine.（工程师使用上部导向金属来调整机器的位置。）3. The upper guide-metal was designed to prevent the machine from moving while in operation.（上部导向金属被设计成在机器运行时防止其移动。）']
例句：
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1. The upper guide-metal is crucial for the operation of the machine.
上部导向金属对于机器的运行至关重要。
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2. The engineer used the upper guide-metal to adjust the position of the machine.
工程师使用上部导向金属来调整机器的位置。
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3. The upper guide-metal was designed to prevent the machine from moving while in operation.
上部导向金属被设计成在机器运行时防止其移动。