Place the samples in the rack and in the case of knives with metal handles support the handles in such a way that they do not come into contact with the rack.
将样品放在架子上，如果刀有金属手柄的话，不要让手柄与支架接触。
Place the samples in the rack and in the case of knives with metal handles support the handles in such a way that they do not come into contact with the rack.
将样品放在架子上，如果刀有金属手柄的话，不要让手柄与支架接触。
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