查询词典 off the air

The action of the centrifugal fan, expressed in simple terms, is as follows: when the fan wheel, A (Fig.25.2), carrying the blades or vanes, B, revolves in its casing, the air is moved by the blades, but does not continue to rotate with them.Instead, it is thrown outwards by centrifugal force to the casing, as shown by the arrow, BC, just as a stone flies off from the common sling.

该行动的离心风机，表达了简单来说，就是如下：当风扇车轮，（ fig.25.2 ），进行叶片或叶片，乙，围绕在其套管，空气所动刀片，但不继续轮流与them.instead ，这是向外抛出，由离心力，以套管，显示箭头，公元前，正如一位石材苍蝇从共同吊索。

Canadian Air Force pilot Jack Ferriman recruits the team to investigate a mysterious vessel he has spotted floating adrift off the coast of Alaska in a remote region of the Bering Sea.

这一次，雇佣他们的是发现那艘神秘大船的人，加拿大空军飞行员杰克·弗里曼。

But it was the thousands of metal fragments that did the real damage, ripping and screaming through the air, to bounce off stone or metal, or all too often to cut through flesh.

但是数千金属破片足以造成实实在在的破坏，带着尖厉的啸叫撕裂了空气，在石头和金属上迸射弹跳，或是有太多的机会刺穿身躯。

A desirable depth of ash discharging off of the front of the grates is 4" to 6". The increase in ash depth from the rear to the front changes the resistance of the fuel bed plus the ash to the air flow.

壁炉前端的理想排灰深度是四到六英吋，由背面到正面的排灰深度的增加改变了燃料层对空所流动产生的阻力。

So I do all the things he has taught me to do before tip off and once the ball is in the air my mind is at ease and my body is ready to play. I take it to the other team on both ends of the floor. I take pride in being able to do that.

所以我做他所有告诉我去做的一切--当篮球抛向了空中我的思绪开始放松，我的身体马上做好了比赛的准备，我把这个状态展示给对手，展示给场上每一个人，我很自豪自己的这一点。

The main reasons of such explosions are that the velocity of primary air is too low when turn on and off the pulverizing system and the level of the coal in ball mill is too high.

通过分析，启停制粉系统时一次风速过低及磨煤机料位控制过高是造成爆炸的主要原因，为此提出制粉系统运行控制要点，及增加磨煤机火灾保护逻辑，效果明显。

In case that vacuum pump stops working or power supply is suddenly broken off, valve will be cosed automatically to keep the vacuum system vacuum and the air charged into the cavity of vacuum pump, thus to prevent pump oil from reverse flow that can pollute the vacuum system.

使真空系统保持真空并将大气充入泵腔内，从而避免泵油逆向流动而污染真空系统。

This product installment in feed water pipe's forehead and the civil air defense exit toward the outside, keeps off the wave and disappears the wave way to unify, prevents the shock-wave to enter the system facilities engineering, thus achieves eliminates has the destructive shock-wave, has the protective system facility normal work and the safety protection goal.

该产品安装于给水管道的头部和人防往外的出口处，以挡波和消波的方式相结合，防止冲击波进入系统设施工程的内部，从而达到消除具有破坏性的冲击波，起到保护系统设施正常运转和安全防护的目的。

It was a bad scene. The eight heavy howitzers had been pushed off the road, perhaps prematurely, and would have to be destroyed the next day by air strikes.

那是很糟糕的一幕。8门榴弹炮已经被推下了公路，这可能是仓促之间的草率决定，只能由第二天的空中打击来将其摧毁。

Little-H' was the youngest rider there at 14 years old, and proved he could rock it with the big boys, catching some big air off the kickers.

而 14的小H是赛手里最年轻的小伙子，但他表现向人们展示出他不仅可以和大人们滑得一样棒，同时，他还可以完成一些高空动作。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。