They could not provide adequate air cover for ground operations.
他们无法为地面作战行动提供足够的空中掩护。
空中掩护也没戏了。
他有空中掩护吗？
The ships needed air cover once they reached enemy waters.
已到达敌方的水域，船只就需要空中掩护。
Giant glaciers frozen in the air cover trees in eternal ice.
巨大的冰川已被永恒的冰冻结在空气中。
The reasonable parameters of the convolute air cover and axial speed attenuation rule were found.
获得了影响回旋气幕形成各主要因素的合理参数以及轴向速度衰减规律。
If he arrives at the city, its people will need more than just air cover to save them in what could be a bloody and long-drawn-out battle.
如果他开始攻城，必会是一场血腥的持久战。那时就单靠空中保护就不足以拯救平民了。
Unless you are having people that are having air cover, sea cover, it is very difficult to map a land operation without the right equipment.
除非你的人员有涵盖空中和海上行动的能力。缺少这些有效装备就很难规划陆地上的行动。
This helps because the plastic cover keeps the stamps off the wet air.
这是有帮助的，因为塑料盖使邮票远离潮湿的空气。
Yet in the undergrowth, conspiracy theories about the air crash are flourishing amid cries of a cover-up.
尽管空难阴谋论在掩盖的痛哭声中仍在继续。
If your old house has lead paint in good condition, cover it with fresh paint rather than removing it, which releases lead dust into the air.
如果你的房子曾经刷过含铅的油漆，并且漆层还比较好，最好的方法是用新的不含铅的油漆覆盖旧的漆层，而不是去除老的含铅的漆层，因为这样做，铅尘反而排放到空气当中了。
Naturally, we were eager to cover the Aviatik, which not only looked more like the "giants of the air" that people imagined, but that was the largest airplane at the time.
“阿维亚·蒂克”看起来像是一个“空中巨人”，也是当时最大的飞机。
They cover the entire head and are designed to give 10-15 minutes of clean air, probably all which would be needed.
它们可以包住整个头部，并为你提供10到15分钟的干净空气，这些可能都是你需要的功能。
Also, cover the mouth when coughing and sneezing to prevent the flu bug from escaping into the air.
咳嗽、打喷嚏的时候要遮住嘴，防止流感细菌进入空气中。
His masks cover the pet's entire face and contain enough air to last several minutes. The kits are being sold by veterinarians.
他发明的面具可以把宠物的整个脸罩住，里面有够宠物呼吸几分钟的空气，成套面具正在由兽医们出售。
To give you some ideas of various types of bicycles we are dealing in, we are pleased to send you, under separate cover, by air-mail our latest catalogue and a price list.
为使你方了解我方经营的各种自行车，我们很高兴令封航邮寄我们的最新产品目录与价格单一份。
In addition, trees that recycle air and reduce energy consumption by producing shade cover the facade.
此外，树木能够通过创造浓荫覆盖的阴影来进行空气循环和降低能耗。
One worker said he had watched a supervisor cover a device that tests for lead emissions in the air with his cap, then whisk the inspectors away for tea.
一位工人说他看见一名主管用帽子盖住测试空气中铅排放的仪器，然后胡弄着检查人员去喝茶。
Business scope: air compressor, tile-cutters, ear cover, blower, all kinds of electric tools, hand tools and accessories processing, production, sales and after-sales service.
经营范围：空压机、瓷砖切割机、耳罩、鼓风机、各种电动工具、手动工具及其配件的加工、生产、销售及售后服务。
Working principle: when the internal piping and tank vacuum, atmospheric pressure will be the valve cover, air enters the system, balance the system pressure, eliminate the effect of vacuum.
工作原理：当管道和水箱内部形成真空时，大气压便会顶开阀盖，大气进入系统内部，平衡系统压力，消除真空影响。
Reattach cover plate to make an air and water tight seal.
重新固定盖板，并紧密密封防止空气和水通过。
The downward air outlet of front protective cover reduces heat radiation against the engine and improves reliability of cooling system in the meantime.
前机罩护栅出风口朝向斜下方，减少了对发动机的热辐射，增强了冷却系统的可靠性。
Based on satellite imagery data collected between 2000 and 2013, the index measures three different factors: air temperature, water availability, and degree of cloud cover.
这一指数以2000年到2013年之间收集的卫星图像数据为依据，测量了三种不同的因素：气温，水资源可利用量和云层覆盖度。
Based on satellite imagery data collected between 2000 and 2013, the index measures three different factors: air temperature, water availability, and degree of cloud cover.
这一指数以2000年到2013年之间收集的卫星图像数据为依据，测量了三种不同的因素：气温，水资源可利用量和云层覆盖度。
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