卫生防范

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1.

Spread of the disease may result from the failure of the hygiene barrier at any one of a number of such a point .

本病的蔓延可能是由上述各个方面的任何一个卫生防范措施的失误所引的。

běn bìng de màn yán kě néng shì yóu shàng shù gè gè fāng miàn de rèn hé yī gè wèi shēng fáng fàn cuò shī de shī wù suǒ yǐn de 。