Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.
1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。
There's one layer of tissue separates the feather from the outside air.
有一层组织分离的羽毛从外面的空气。
Infiltration heat from warm outside air through small holes, cracks, and door seals.
由外部通过小孔、裂缝和门的密封圈而进入的渗入热。
Ceiling fans do not provide ventilation as defined as the introduction of outside air.
吊扇通常不提供所规定的能将室外空气引入室内的通风。
Ventilate as much as possible to completely air out the room or spill zone with outside air.
尽可能地通风，以彻底用室外空气置换房间或泄漏区域的空气。
I tried to guess what the outside air would look like, based on how much my chest hurt.
在不看窗外的情况下，根据胸口的感受猜测每天的天气状况。
Role is to prevent the pump shell leakage of liquid along the axis or outside air leakage into the pump shell.
作用是防止泵壳内液体沿轴漏出或外界空气漏入泵壳内。
Water in the sand between the two POTS evaporates through the surface of the larger pot, where drier outside air is moving.
两个罐子中间沙子的水分通过大罐的表面蒸发，使大罐外部的干燥空气开始流动。
Natural ventilation is the ventilation of a building with outside air without the use of a fan or other mechanical system.
自然通风是不使用风扇和其他机械系统进行室内外气体交换的通风方式。
Water in the sand between the two POTS evaporates through the surface of the larger pot, where drier outside air is moving.
两罐之间的沙子中的水分经由大罐的表面蒸发，使大罐外部的干燥空气开始流动。
This approach allows data centers to use outside air when the temperature is cool, while falling back on chillers on warmer days.
该途径使得数据中心在外面温度较低时能够利用外面的空气，而在更热的日子里回去使用冷却器。
Always assess the risks. Example, reducing outside air may save energy, but no one wants to create an indoor air quality problem!
要始终着眼于风险评估。例如，降低室外新风量或许可以节能，但是没有人愿意去制造室内空气质量的麻烦！
The system also cools the air around the water, creating a bigger temperature difference so it can absorb more heat from the outside air.
这个系统同样也给水周围的空气降温，产生出更高的温度差，这样它就能从外部空气中吸收更多的热量。
Despite the heat wave scorching sand, but I am even more afraid of the outside air, which some people thought, there is money to taste.
尽管沙粒热浪灼人，但我更怕外面的空气，里面有人的思想，有金钱的味道。
However, open-styled stairs increase the contact surface of the building and outside air, and this affect energy-saving of the building.
然而，开敞式楼梯间增加了建筑物与室外空气接触的表面积，对建筑节能有一定影响。
In addition to outside air inlet, where gas leakage pores, it should be blocked strict, such as patching, plug of cotton and paste glue paper.
除进风口以外，如有漏气孔隙，应当堵严，如贴胶布，塞棉花，贴胶水纸等。
The window darkens when the outside air temperatures soar, and becomes transparent when it gets cold in order to capture free heat from the sun.
当外界气温飙升时，窗户会变暗，当外界变得寒冷时，它会变成透明，以捕获从太阳发出的热量。
If the cores cannot be cooled sufficiently, a total meltdown could ensue, exposing the fuel rods to the outside air and further spreading radiation.
如果内核不能得到充分冷却，恐其随后将完全熔毁，从而使能源棒暴露在空气中导致辐射进一步扩散。
Ochoa showed the journalists a black plastic lid that covered a swimming pool-size cement container of pig feces to prevent exposure to the outside air.
奥乔亚向记者带领记者参观了一个黑色塑料盖，它覆盖着一座游泳池大小的水泥猪粪池，以防止其与外界空气接触。
It is dependent on the temperature differential between the inside and outside air, type and thickness of insulation, and the area of the conducting surfaces.
这个主要取决于内外空气的温度差、绝缘层的类型和厚度以及传导面的面积。
The controlled ventilation moves the outside air over an earth register, and thus enables it to warm up the cold outside air but also to cool down the hot air.
通过控制通风系统使外部空气在一个固定装置中移动，从而使它加热了寒冷的室外空气并且冷却热空气。
Wallpaper also adds vintage charm, though few would preserve the dated kitchen, which still has an ice box, cooled solely by the outside air, tucked into a wall.
壁纸也增添了复古的韵味，只不过很少有人会保留老旧的厨房，厨房里有一个冰箱，它嵌入墙内，完全靠外界空气制冷。
The main function of today's wall is to separate possibility unwelcomed outside air from the controlled comfortable conditions of temperature and humidity inside.
现代墙的主要功能是将室内可调控的舒适的湿度及温度与外界令人难受的空气隔离开来。
The inside of the box will stay several degrees cooler than the outside air temperature. And this may be cool enough to keep foods fresh, at least for a short time.
盒子里面将比外面空气温度低几度，这些对保持食物新鲜就足够，至少在短时间内。
It is necessary to close the isolation function to prevent the isolated space and the outside air directly convection, to reduce the partition, protected space by external pollution.
必要的密闭隔离功能，防止被隔离空间和外界空气直接对流，以减少被隔断、受保护的空间受到外界的污染。
Investigated retrofit techniques included air-bypass control on cooling coils, reset and setback control, improved HVAC system start-stop times and economizing on outside air intake.
调查改造技术包括空气旁路控制冷却线圈，复位和挫折控制，提高暖通空调系统起止时间和节约外进气口。
The role of the stuffing pump is mainly to close the gap between the shell and the shaft, to prevent the flow pump does not flow to the outside, it does not allow outside air into the pump.
填料函的作用主要是为了封闭泵壳与泵轴之间的空隙，不让泵内的水流不流到外面来也不让外面的空气进入到泵内。
The role of the stuffing pump is mainly to close the gap between the shell and the shaft, to prevent the flow pump does not flow to the outside, it does not allow outside air into the pump.
填料函的作用主要是为了封闭泵壳与泵轴之间的空隙，不让泵内的水流不流到外面来也不让外面的空气进入到泵内。
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