查询词典 air-tight

Based on the modeling and analysis of the CO_2 concentration in the tunnels and underground railway with shielding doors,points out that,in winter,with air exhausters on the top of the tracks and at the bottom of the platforms along the railway stations closed and piston air functioning only,the temperature condition can,but the fresh air can not,be satisfied in the tunnels during morning and evening rush hours.

通过对有屏蔽门时地铁隧道和车厢内CO2浓度的建模与分析指出，在冬季如关闭地铁线各车站轨顶站台底的排风机，仅依靠活塞风，在早晚高峰时期能满足隧道中的温度要求，但不能满足列车内人员的卫生要求。

It shows that the exhaust resistance at the wind blast end reduces obviously, driven by the 800mA/12V small scale draught fan, average exhausting speed reaching above 4m/s, fairly enough to satisfy the air conditioner's demand for new wind volume. Meanwhile, the conic section of the horizontal profile and the linear design of the longitudinal profile of the exhaust end inner cavity and wind shroud for each outlet greatly reduce the flowed out exhaust, effectively lowering the wind blowing feel of the air conditioner user by playing the function of air diffusion.

经过计算和实际测试表明，该装置的送风末端风口阻力明显减小，在800mA/12V小型风机驱动下，出口平均风速可达4m/s以上，足以满足空调对象的新风量要求；同时，横截面采用2次曲线型设计、纵截面采用流线型的送风末端内腔和出口均风罩使气流流出后风速迅速衰减，起到散流器的作用，有效降低了空调对象的吹风感。

Do not nipple hole is too large not to let the feeding bottle when the attention of the head left the air, so as to avoid inhaling too much air the children; 3 when feeding the child his head and upper body elevation, 45-degree angle, can not ping lying down to eat; 4 the child should be breast-feeding after vertical hold, pat his back until the child will be discharged air stomach.

奶嘴孔不要太大，喂奶时注意不要让奶瓶头部留有空气，以免宝宝吸入过多空气； 3）喂奶时将宝宝头部及上身抬高，成45度角，不能平躺着吃； 4）喂奶后应将宝宝竖抱，轻拍后背，直到宝宝将胃内空气排出。

It's easy to suck away the air from one side to get lower pressure, but the trouble is that the ambient air (the surrounding atmospheric air) filles in the void extremely fast; destroying the area of lower pressure.

人们很容易吸走空气从一个方面获得较低的压力，但问题是，周围空气中 filles ，在无效非常快；摧毁该地区较低的压力。

Evaluating the threat of air targets and sequencing scientifically are important to air defense command, primary reference for air defense commander distributing fire and also one of the functions of automatic command and control systems.

对空中目标的威胁程度进行科学的评估与排序是防空指挥的重要环节，是防空指挥员进行火力分配的主要依据，也是防空指挥自动化系统的重要功能之一。

Besides, there are many other exciting acts for your choice ,for example, Air Wire Act,Wedding of Miao Nationality, Bamboo Rod Dance, High-speed Motoboat,Air Suspension Bridge, Lido, Courser Gallop, labyrinth, Air Swing, Fishing, Tennis Ball, and mini garden, white tower, Hui-Style Bonsai, Float Paradise, Nine-Curve Love Bridge.

除这些景点以外，还有许多参与性项目可供选择，如：高空溜索、苗族抢亲、苗族竹杆舞、高速摩托艇、百米高空吊桥、露天游泳池、骏马驰骋草原、迷宫、高空荡秋千、恩龙湖垂钓、网球健身等等。还有园林小品、白塔、徽派盆景园、水上乐园、九曲情人桥让您驻足小憩。

Main products: air positive pressure breathing apparatus, fire air-breathing apparatus, oxygen breathing apparatus, air pumps, fire pumps, long pipe respirators, escape respirators, bubble guns, life jackets Lights, ring lights, raft lights, oil and water separator, protective clothing, thermal insulation suits, anti-chemical warfare suits, insulated clothing, rescue suits, life jackets, fire-fighting equipment, file mice, show-lights, the release, of 10 minutes, gongs,, Fog bell, life-saving floating cable, firemen and equipment, fire ax, fire-resistant rope, fire boots, helmets, Ruanti, horn, pyrotechnic signals, throw rope, throw rope equipment, sacrificial anode, life-saving fire equipment company from France international BVQI Quality system certification of ISO9001: 2000 quality management system.

主要产品有：正压式空气呼吸器、消防空气呼吸器、氧气呼吸器、充气泵、消防泵、长管呼吸器、逃生呼吸器、泡沫枪，救生衣灯，圈灯，筏灯，油水分离器，防护服，保温服，防化服，隔热服，救生服，救生衣，灭火器材，档鼠器，示位灯，释放器，号钟，号锣，雾钟，救生浮索，消防员装备，消防斧，耐火绳，消防靴，头盔，软梯，号角，烟火信号，抛绳器，抛绳设备，牺牲阳极，救生消防器材公司通过由法国BVQI国际质量体系认证的ISO9001：2000质量管理体系。

According to experts, air fresheners can not clean the air, can not kill the bacteria in the air, its main function is to revive and refresh.

据专家介绍，空气清新剂不能净化空气，不能杀死空气中的细菌，它的主要功能是恢复和刷新。

Johnson Jiaoli air fresheners have two, one is in addition to cigarette smoke air freshener, one is in addition to smell air freshener.

约翰逊袪斑2空气清新剂有两个，一个除了吸烟空气清新剂是，除了一个空气清新的气味。

The content of air-borne microbes above Xining , Qianghai Lake, and Geermu has been determined by using the method of gravity plate, obtaining air-borne bacteria, funguses, total content of bacteria, detection rate of air-borne funguses, and the rate of funguses and total amount of microbes in those three spots.

用平皿沉降法对西宁、青海湖和格尔木的空气微生物含量作测定，分别检测出三地各自平均的空气细菌、真菌、总菌含量、真菌检出率、真菌与总菌量的比率。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。