特殊设计的数字式压力显示，精密负压调谐，外置控制脚踏开关和精心选配的低噪声无油膜式泵，使产品更方便操作控制和使用。
The sophisticated designs of digital pressure display, precise negative pressure adjustment, and foot switch control make this mute oil pump more convenient to manipulate.
特殊设计的数字式压力显示，精密负压调谐，外置控制脚踏开关和精心选配的低噪声无油膜式泵，使产品更方便操作控制和使用。
The sophisticated designs of digital pressure display, precise negative pressure adjustment, and foot switch control make this mute oil pump more convenient to manipulate.
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