precision single-sided grinding machine
球面、桥形抛光机Spherical, bridge-shaped polishing machine 精密单面研磨机Precision single-sided grinding machine 手机镜片专用加工设备Mobile phone lens-processing equipment ..
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precision single-sided grinding machine
精密单面磨床
以上为机器翻译结果，长、整句建议使用 人工翻译 。