["Frascoión bajo presión",,"¿Podría preguntar qué es la definición de frsrasiónión bajo total de presión? He查了很多资料都没有确切的含义",,"Requisitos del proceso，一些物料的理化性质要求，供参考。","He查了很多资料都没有确切的含义，可能就没有确切的含义。本质上就是在负压下进行操作，负到什么程度要结合具体工艺来解决实际问题为准，名次解释没那么重要","Frasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasrasras pérdida de presión","¡