If air pressure than the standard oil bubble rising fast, explain this oil viscosity is low.
如果比标准空压机油中气泡上升速度快，说明这种油的粘度偏低。
The results of bench evaluation indicate that the most quality targets are in the range of national standard for oil drain except viscosity.
试验结果表明，油样的大多数质量指标都在规定的换油周期内，只有粘度超过了国家换油标准。
The results of bench evaluation indicate that the most quality targets are in the range of national standard for oil drain except viscosity.
试验结果表明，油样的大多数质量指标都在规定的换油周期内，只有粘度超过了国家换油标准。
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