Use pressure wash at least once in a while---removes the dirt from difficult to reach areas, particularly helpful after winter.

至少过一段时间就必须用高压水冲洗-----去除难清洗部位的污垢，尤其在冬季更有好处。

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The biology effect of the laser is a light hot, electromagnetism an effect, pressure primarily with wash' shot an effect.

激光的生物学效应主要是光效应、热效应、电磁场效应、压力与冲击波效应。

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These patients during pregnancy should wash checks, advanced hospital care must be taken related to blood pressure measures.

这类患者孕期要勤检查，晚期必须住院监护，采取相关降压措施。

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