pan是什么意思

网络释义

1)pan,铰链孔2)hinge eye,铰链枢轴孔3)hinged manhole,铰链盖人孔4)hinged cover of inspection,检查孔的铰链盖5)hinged manhole cover,铰链式人孔盖6)oil hole cover,油孔盖铰链盖