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.
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.
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.
从产品方面来说，FRESH的风机采用的是涡轮式小型管道风机，适合长时间连续运转，保证室内持续通风。
From the product terms, FRESH fan turbine is used in small pipes fan for a long time continuous operation, to ensure continuous ventilation indoors.
目前我国机车上仍广泛地采用具有强迫通风的牵引电机，其连续定额功率在很大程度上依赖于通风冷却的效果。
At present, China is still widely used locomotive with forced ventilation of the traction motor, the continuous power rating to a large extent dependent on the ventilation and cooling effect.
阐明通风机调速特性的物理意义，建立系列风机调速特性系数与连续机号间的函数关系准则。
Physical Significance of adjustable speed characteristic for fan is stated and functional relation criterion between adjustable speed characteristic factor for fan is established.
阐明通风机调速特性的物理意义，建立系列风机调速特性系数与连续机号间的函数关系准则。
Physical Significance of adjustable speed characteristic for fan is stated and functional relation criterion between adjustable speed characteristic factor for fan is established.
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