查询词典 ventilation

In order to research the fire properties in the municipal tunnel with the mode of natural ventilation and the openings on its roof, full-scale fire tests were designed and conducted in a finished tunnel. The longitudinal diversification laws of maximum smoke temperature around the vault of the tunnel were collected.

为了研究顶部开口的城市隧道在采用自然通风模式下的火灾特性，在已建成的隧道中设计并实施了全尺寸火灾试验，得到了隧道火灾自然通风模式下的拱顶附近烟气最高温度纵向变化数据。

Four major aspects, i.e., traffic safety, function and service, disaster prevention and control and traffic control should be considered in the design of the traffic engineering facilities of highway tunnels, which consist of traffic signs and traffic mark lines, traffic monitoring facilities, ventilation and lighting facilities, trumpet call system, fire alarming system, fire fighting and escaping facilities, power supply and distribution facilities, central control and management system.

公路隧道交通工程的设计，主要从隧道交通安全、功能服务、防灾救灾和交通管理四个方面考虑，具体由标志和标线、交通监控设施、通风与照明控制设施、紧急呼叫设施、火灾报警、消防与避难设施、供配电设施和中央控制管理系统与设施等组成，介绍了设计的指导思想，解释了各内容的功能和作用，同时指出了设计中存在的问题。

This paper try to obtain various noise-control measures applied to different situations through analyzing noise transmission characteristics of hot pump units under natural conditions of ventilation and cooling .

为此，笔者试图通过分析风冷式热泵机组的噪声源特性，在满足热泵正常运行所需要的通风散热等条件下，总结出多种应用于不同情况下的噪声治理措施。

Medium and hepa paperL Be mainly used in clean room require 10-100 thousand class cleanliness, nuclear power station ventilation system, top grade home cleaner, air purifier, gas mask.

中、高效空气过滤器用玻璃纤维滤纸：主要用于万级～10万级洁净室或工作台、核电站排风、高档家用吸尘器、空气净化器、防毒面具等。

Widely used for electrical rotors, machine tool spindle electric tools, such as rotary ventilation her body balance calibration.

广泛应用于电机转子、电动工具机床主轴、通风设备等旋转体工件平衡校正。

Widely used for electrical rotors, machine tool spindle electric tools, such as rotary ventilation her body balance calibration.

广泛应用於电机转子、电动工具机床主轴、通风设备等旋转体工件平衡校正。

"If Mum already get up, finish the following household duties or or before 5:30pm according to the timetable 1. clean up the toilet bath tub, sink, toilet bowl, mirror… ect; 2. kitchen (clean up cupboard, stove, wall, ventilation fan… ect"

&11：00-5：30pm &，&开始做家务：若太太已经起床，然后根据时间表打扫 1 清洁及整理厕所(浴缸、洗面盆、马桶、镜) 2厨房(橱柜、煮食炉、墙、抽油烟机)，这些工作必需於5：30pm前完成。&

Ventilation rate ; Laser perforation ; Tipping paper ; Tar ; Blended cigarette

通风率；激光打孔；接装纸；焦油；混合型卷烟

Respiratory manholes, Fire breathing manhole is installed in the tank on top of the security emergency ventilation devices, usually supporting the use of Fire breathing valve, since the cause of the accident causing the tank to avoid a sharp pressure or vacuum, the damage to storage tanks and accident, fire can play a security role, is to protect the tank$$#$$s safety device, especially for storage of material to cap the dome pressure nitrogen tank.

呼吸人孔、阻火呼吸人孔是安装在储罐顶上的安全应急通气装置，通常与阻火呼吸阀配套使用，既然避免因意外原因造成罐内急剧超压或真空时，损坏储罐而发生事故，又能起到安全防火作用，是保护储罐的安全装置，特别适用于贮存物料以氮气封顶的拱顶常压罐。

Heating with coal stove and the use of gas water heater family should pay more attention to install ventilation equipment.

用煤炉取暖和使用燃气热水器的家庭更要注意安装通风装置。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷