Orders for Boeing planes plunged by more than half last year, a reminder that carriers have been scaling back spending since last summer to cope with fewer air travelers.
由于去年夏天以来乘客数量减少，航空公司缩减支出，波音2008年接到的订单量同比下降一半以上。
There exists serious scaling in the air-agitated tank used in the process of seed precipitation.
晶种分解过程中采用的空气搅拌式种分槽存在结疤严重的缺点。
I loved scaling mountains, to get away from the noise and pollution of the city, and breathe the fresh air.
我喜欢登山，让我远离城市的喧嚣和污染，让我呼吸到新鲜的空气。
They can be applied to scaling prevention in the circulating cooling water systems in power plants, irons steel factories, chemical fertilizer plants, refineries and air conditioning systems.
用于电厂、铁厂、工厂、肥厂、油厂和空调系统等循环冷却水中防止结垢。
Conclusion Mouth rinse using gargles before ultrasonic scaling can reduce the organism concentration in air of dental clinics.
结论超声洁治前用漱口液漱口可明显降低诊室空气中细菌数量。
Objective To observe the effect of mouth rinse before ultrasonic scaling on microorganism concentration in air of dental clinics.
目的观察超声洁治前漱口对诊室空气细菌含量的影响。
Used in air-condition water system and refrigeration recycling water system. It can prevent from corrosion and Scaling.
用于空调用水和冷却循环水系统中，解决系统的腐蚀、结垢。
Used in air-condition water system and refrigeration recycling water system. It can prevent from corrosion and Scaling.
用于空调用水和冷却循环水系统中，解决系统的腐蚀、结垢。
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