齿轮泵的旋转方向要与进、出油口相符。
Direction of rotation of the gear pump, oil outlet in accord.
注：本泵可由用户要求选用后盖进出油口。
Note: This pumps also can choose the top plate turnover oil if users request.
出油口处的过滤网应经常清洗，以防堵塞。
Out of the mouth of oil filter should often clean, jam in case.
那是一口不再出油的井。
那是一口不再出油的井。
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