查询词典 air-conditioning

Excessive grinding or abrasion of this product may create airbome dust and fober concentrations in excess of state and Federal OSHA permissible exposure limits.if employee exposures exceed these PELs,local exhanst ventilation or other mechanical ventilation systems may be required to reduce such exposures to concentrations below the PELs.if mechanical exhaust ventilation is necessary,exhaust air should be appropriately filtered or otherwise controlled to meet local ,state and Federal air pollution and air quality laws and standards

磨削过度磨损或这种产品可能造成机载尘fober浓度超过州政府和联邦政府1921年允许暴露限定。如果雇员暴露超过这些研究生，局部排气通风或其他机械通风系统，可要求减少这种暴露浓度低于该PELs。如果机械排风是必要的，排风应适当过滤或以其他方式控制，以符合当地，州和联邦空气污染和空气质量法规和标准

The method of exacting the percolator replacing time comprises the steps of:(1) examining the air pollution degree when the air cleaner is driven,(2) comparing the examined air pollution degree to at least one presettable reference value, applying corresponding weighted,(3) confirming the percolator replacing time by weighted and percolator replacing time.

确定过滤器更换时间的方法包括如下步骤：（1）当驱动空气净化器时检测空气污染程度，（2）比较测得的空气污染程度和至少一个预设定的参考值，应用对应的加权，（3）按照应用的加权和过滤器操作时间确定过滤器更换时间。

This observation revealed that flowing air made an extra effect on air pressure in the plethysmograph. In the second experiment, the same volume of air was injected into the plethysmograph at different frequencies (0, 0.5, 1, 2, 3 Hz) and pressure changes inside were measured.

其次，往体积描记箱内注入相同容量、但通气频率不同的空气，结果显示，随着注入空气的频率增加，描记箱内压力变化幅度亦显著增加。

In the production of a plosive, the air-stream is obstructed completely both in the oral and nasal tracts, so that when the closure in the oral tract is suddenly released, the compressed air rushed in the oral tract is suddenly released, the compressed air rushes out and produces an explosive sound.

根据气流通过口腔时产生的不同效果给辅音分类，可将辅音分为爆破音、摩擦音、塞擦音、鼻音和舌边音。另外，我们将半元音也放在这一部分，方便练习掌握。

Winter, mainly in Mainland China Polar continental polar air mass, or variability of air masses under the control of the mainland, at 80 ~ 90 ° E for many high-altitude ridge of high pressure, while the coastal areas at high altitudes often a great groove, ridge ago, after the trough of cold air southward continually strengthened cold high ground, warm up the oceans for many low-pressure control.

冬季，我国大陆主要为极地大陆气团或变性极地大陆气团所控制，在80～90°E高空多为高压脊，而沿海高空常为一大槽，脊前、槽后的冷空气不断南下，加强了地面的冷高压，温暖的海洋上多为低气压所控制。

Air-powered cars work by using an air compressor to pressurize air in the car's tank.

空气动力汽车的工作使用空气压缩机加压空气中的汽车的油箱。

There are four primary return air all-air systems in the building;others are primary air fan coil systems.

全楼共设一次回风式全空气系统4个，其余均为风机盘管加新风系统。

In air defense shooting module, the damage probability in air defense fire unit was used to describe whether the air defense fire unit hit the target or not.

对空射击模块通过计算防空兵火力单元的毁歼率描述防空兵火力单元是否命中目标。

With the development of the opto-electronic technology, the laser proximity fuze has been widely used in the field of surface to air missile, air to air missile, etc.

随着光电技术的发展，激光近炸引信已经广泛应用于面空导弹、空空导弹等领域。

Any failure of air supply may thus be traced back to the air distribution rack in the pump room, or from the main plant air supply.

因此任何故障供气，可追溯到在泵房空气配线架，或从主要工厂空气供应。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。