But that doesn't always work because the bacteria or virus may not be present in the blood or other easily accessible area.
但是这个方法常常不会凑效，因为病原不会总是出现在血液或者其他容易被发现的地方。
In electronics repair the part with the highest failure rate will always be located in the least accessible area of the equipment.
电子设备故障率最高的部分总是位于维修最不易到达的区域。
In electronics repair the part with the highest failure rate will always be located in the least accessible area of the equipment.
电子设备故障率最高的部分总是位于维修最不易到达的区域。
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