gear tooth directional measuring instrument
全能测齿仪 universal gear measuring instrument 齿轮齿向测量仪gear tooth directional measuring instrument 齿轮齿距测量仪gear circular pitch measuring instrument ..
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gear tooth directional measuring instrument
齿轮齿向测量仪
以上为机器翻译结果，长、整句建议使用 人工翻译 。