| 摘要 |
A vehicular engine appliance (10), comprising: a viscometer (18), installed in the vehicular engine, for measuring viscosity of the vehicular engine oil (14); a connection between the viscometer (18) with oil of the oil, system of the vehicle, for enabling the viscometer to measure viscosity of the vehicular engine oil. (14); thereby metering vehicular oil (14) of said vehicle at work thereof, resulting in allowing preventing from the vehicular engine operation with non-suitable engine oil (14).
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