We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
The shaft drilled for the probe that made contact can be used to send them food, clean water and medicine. But rescue workers still have to decide how to bring back them to the surface.
那个之前钻好用来放置探针进行交流的通道现在可以被用来往矿下递送食物，清洁的水和药物，但是如何将他们带上地面仍是一个问题。
It is probably best to avoid all uncooked food prepared where you buy sushi and sashimi as the preparation surface may have been in contact with uncooked fish.
这可能是最好的，以避免所有未煮过的食物，你准备买寿司和生鱼片的表面可能已经准备在接触生鱼。
Can be used for packaging and food machinery, food and direct contact with the surface coating of parts and components.
可用于包装和食品机械上与食品直接接触的零部件的表面涂层。
Can be used for packaging and food machinery, food and direct contact with the surface coating of parts and components.
可用于包装和食品机械上与食品直接接触的零部件的表面涂层。
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