But when the food was in contact with tile or wood, 48-70% of bacteria were.

但当食物与瓷砖或木头接触时，会有48% -70%的细菌（留在上面）。

youdao

But when the food was in contact with tile or wood, 48-70% of bacteria were.

但当食物与瓷砖或木头接触时，会有48% -70%的细菌（留在上面）。

youdao