But the frame of the aircraft itself is to blame for the other half: the bumpy air flow over the undercarriage and the slots and flaps of the wings creates the rest of the racket.
而另一半的元凶则是飞机自身的结构问题：颠簸不平的气流穿梭过往时同起落架、翼缝和襟翼等结构相遇制造了另一半噪音。
It provides open-air vehicles, using a scooter engine with a fibreglass frame, similar to those used by Tour Coupes.
它提供采用小轮摩托发动机和玻璃纤维结构的敞篷车，与TourCoupes公司的车类似。
Its frame is made of Alu. beautiful shape. And the air drive loading is easy to clean.
本测试仪采用铝型材制作框架，造型美观大方，气动传动加载方式清洁方便。
Air France said, Beijing also 'could be a good candidate' for deployment, but gave no time frame, citing infrastructure considerations at the capital's airport.
法国航空表示，北京也是一个很好的备选航点，但考虑到首都机场的基础设施状况，目前还没有时间表。
The H9B series frame is used in ASHRAE built-up filter Banks with press-fit fasteners to facilitate the rapid replacement of air filters.
H 9 B系列框架使用在ASHRAE内置过滤器的压接紧固件中，促进空气过滤器的快速更换。
The special design creates a sturdy air filter even when the combined thickness of filter media and frame is as thin as ?
特殊设计可构成坚固的空气过滤器，过滤介质和框架的厚度仅为?。
This paper analyzes the organization structure for numerical forecasting data of the city air quality in space and in time, and constructs an overall frame for the multi-dimensional space data.
通过分析某城市空气质量数值预报数据的时空组织结构，构建出了多维空间数据的整体框架。
The process improvement aims mainly at the complex work pieces such as pedestal, frame, air-scavenging receiver and so on.
工艺改进工作主要针对大结构复杂件，如机座、机架、扫气箱总成等工件的特殊要求。
This set of equipment by the arc gun, arc spraying of power supply. Take another corollary equipment: air compressor, air cleaner, put silk plate frame.
本套设备由高速电弧喷枪、电弧喷涂电源组成。另需配套设备：空气压缩机、空气滤清器、放丝盘架。
An alternate embodiment includes a support frame for positioning the filtration system in ductwork or the like other than a return air inlet.
一个替代实施例包括用于将过滤系统定位在除回风管之外的管路等等中的支承框架。
It has simple and practical characteristics to evaluate the effectiveness of the air force aero-complex generally based on the series-parallel connection models frame.
用串并联模型框架对军用航空综合体进行效能评估，具有简单实用的特点。
Continuous concrete wall is used in the air shaft structure, which is built with inversed construction method by using inner liner and transverse frame.
风井采用地下连续墙围护结构，通过内衬及横向框架逆作施工方法实现。
They shout and jump and pump their fists in the air to get themselves in the right frame of mind for crushing the competition.
他们喊叫，跳跃，挥舞拳头，制造适宜的情绪，以便主宰比赛。
Computer sensors create unwanted dirty air-but not if you build them seamlessly right into the frame.
电脑感应器会造成风阻——除非你将它们无缝隙的整合进车架。
Back upper intake air, aluminium alloy frame, coated steel.
后上进风，铝合金框架，赜涂蒙板。
At present main products include: car steering wheel skeleton, air-conditioning bracket, generator bracket, automotive and aviation seat frame, a variety of shell and other auto parts.
目前主要产品包括：汽车方向盘骨架、空调支架、发电机支架、汽车及航空座椅支架、各种壳体等汽车配件。
The air filter 18 May also be sized such that the filter frame 18b is force-fit into the filter box 22 such that the area between the air filter 18 and the filter box 22 is nearly air impermeable.
空气过滤器18也可以具有使得过滤器框架18b被过盈配合进过滤器盒22的尺寸，以便空气过滤器18和过滤器盒22之间的区域使得空气几乎是不可渗透的。
The basic frame of refrigeration and air-conditioning virtual experimental system has been built for making use of virtual experimental in the refrigeration and air-conditioning field.
基于桌面仿真的制冷空调虚拟实验系统基本框架的构建为虚拟实验概念向制冷空调行业的进一步引入提供了依据。
Wood windows are the traditional windows in Europe, the wood frame is 80X80 mm with air circle and drainage system and double tenon structure.
传统的欧式门窗是木质门窗， 由80X80毫米实木方加工而成，双铆榫结构， 设有通风排水系统。
It has excellent air tightness, water tightness, heat insulation, winter proofing and sound insulting property as the frame adopts the inside high and outside low design.
门框采用里高外低设计，气密性、水密性、隔热、防寒、隔音性能优越。
The frame has a column channel, of which one of the open ends is the air inlet and the other is the outlet.
扇框是为具有一柱状通道的框体，柱状通道二端于框体上各形成入风口及出风口。
We present a strength analysis method for the vehicle frame with series-arranged multi-spindle oil and air spring suspensions.
提出了一种串联多轴油气弹簧悬架车辆车架强度分析方法。
The air regulator of this invention includes condenser, indoor fan, frame, frame holder.
本发明的空气调节器包括：冷凝器、室内风扇、底板、底板支架。
An intense field dielectric air filtration system includes a perimeter frame for wall or ceiling mounting at the inlet of a return air duct for an air conditioning apparatus.
一种强场电介质空气过滤系统包括安装在空调装置的回风管的入口处的用于壁或天花板的周界框架。
The invention relates to a workpiece delivery device, which is characterized in that an air cylinder (or oil cylinder) for controlling a movable frame is installed at one side of a fixed frame;
本发明是工件输送装置，其特征是控制活动框架的气缸（或油缸）安装在固定框架一侧；
This machine consists of inside drum made of stainless steel, outside shell with heat-shielded layer, frame, driving component and automatic PC set which control water, electric and air.
该机由不锈钢内鼓，保温外壳，机架，传动部件及水、电、气一体的PC自动化控制装置所组成。
He had changed back into Chinese dress today, and his lean frame was draped in a long, navy-blue flannel gown, giving him the air of a worthy descendant of some famous scholar.
他今天改穿了中国衣服，清瘦的身材上披一件海军蓝的毛葛单长衫，很有些名士遗少的气概。
When the utility model is used, the air die frame can be inflated through an air nozzle, and then, the air die football shelf is fixed on the lawn by the fixed pins.
用时可通过气嘴对气模框架充气，然后由固定销将气模足球架固定在草坪上。
When the utility model is used, the air die frame can be inflated through an air nozzle, and then, the air die football shelf is fixed on the lawn by the fixed pins.
用时可通过气嘴对气模框架充气，然后由固定销将气模足球架固定在草坪上。
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