应该从带有适当和连续的通风的耗尽室内的系统传输nf3。

NF3 should be delivered from a system within an exhausted enclosure with proper and continuous ventilation.

youdao

它们特别适合连续水平或加热，通风和工艺技术流程的中立和轻微腐蚀性液体和气体的监测。

They are specially suited for the continuous level or flow monitoring of neutral and slightly aggressive liquids and gases in heating, ventilation and process technology.

youdao

无论在中央空调环境下还是在普通空调环境下的公共场所，均要加强通风换气，并应加强对室内甲醛浓度的连续性地追踪监测。

Ventilation in the public places should be strengthened not only in the environment of central air condition but also in the normal air condition, and monitored the concentration of HCHO continuously.

youdao