查询词典 air-tight

Chengdu, the route is the first direct non-stop the first time in Pakistan and international routes in South Asia, which are Chengdu Air China to build an aviation hub in the western region important initiatives, but also in southwest China and Pakistan to strengthen economic, trade and cultural exchanges to build a convenient air bridge.

该航线是成都首条直飞巴基斯坦及首次直飞南亚地区的国际航线，此举是国航打造成都西部航空枢纽的一项重要举措，也为我国西南地区与巴基斯坦加强经贸及文化交流构建了一条便捷的空中桥梁。

The components of the moving bridge yield rotation and torsion around the joints of air bearings and bending because of their limited stiffness of the bridge components and air bearing system.

指出在加速、减速过程中，惯性力作用在移动桥架上；由于机体和气浮导轨系统的有限刚度将使移动桥架产生相对于气浮轴承联结处的偏转和移动桥架本身部件的弯曲和扭转。

Harbin lies in the center of Northeast Asian Economic Zone, it is an important hub of the first Europe-Asia Continental Bridge and air corridor. The water traffic, land traffic and air traffic are developed, 6 railways link China and foreign countries.

哈尔滨地处东北亚经济区的中心位置，是第一条欧亚大陆桥和空中走廊的重要枢纽，与日本、韩国、朝鲜、蒙古以及俄罗斯毗邻，并通过俄罗斯辐射整个欧洲。

Melts, if, the sky top, has no cold air, bump the shot warm air flow, that seldom

溶化，如果，天空上面，没有冷空气，去撞击暖气流，那就很少

At the same time the UBHPAC unit emulation model about the underground buildings equipment such as: air cooling heating bump unit, temperature adjustable dehumidifier and air cooler is also set up.

建立了地下建筑常用设备如风冷热泵空调机组、调温除湿机、冷冻除湿机和冷风机等运行特性的计算机仿真模拟。

As more and more air crowds into the chamber,the molecules of air become compressed.

由于越来越多的空气聚集在气箱内，空气分子受到压缩。

This compressed air could then be used to force more air into the combustion chamber during acceleration.

然后，在加速时压缩的空气又可以把更多的空气推进燃烧室。

Under the air car is an air chamber with a large propeller parallel to the ground.

是什么使它悬在空中的呢？

Valves can be operated by adjusting the air pressure in a chamber below the air channel.

阀可以通过调整操作在下面的空中通道室空气的压力。

The effect of the air chamber was also explored preliminarily and it was found that the air chamber affects little on the aerodynamic drag coefficient.

对开式风洞气室的影响也进行了初步探讨，研究表明，气室的存在对气动阻力系数的影响不大。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。