Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.

Supply or return duct section. Single-or double-line ducts can be specified.

送风或回风管道部分. 可以指定单线管道或双线管道.

One of the air-ducts has become blocked.

有一条输气管堵塞了。

Ducts can be resized independently. Circular or rectangular duct can be specified.

可以分别调整各管道大小. 可指定是圆形管或矩形管.

Maximize insulation weather strip door openings and seal ducts.

最大化绝缘,密封条,密封门开口管道.

At one time circular ducts were very expensive to manufacture.

有一段时期圆管制作非常昂贵.

Duodenun is joined to the liver and to the pancreas by ducts.

十二指肠通过导管与肝和胰相连.

Ducts shall be suitably welded or sealed for leakage.

管路有合适的焊接和密封,来保证不泄漏.

Heated air is forced into the upper tier of ducts.

加热的气流被送入上面的一排管道.

Vapor or fumes may condense on piping, ducts, or stack walls.

蒸气或尘雾可能在管道, 烟道或烟囱壁上冷凝.

For legible text we need typographies with a simple ductus without complex details.

为了文本的易读,我们应该采用字形尽量简单的字体,而不需要太多复杂的细节.

The Application of X-ray Film in the Occlusion of Patent Ductus Aleriosus: Report of 10 Cases.

X 线电影在动脉导管未闭堵塞术中的应用(附10例报告).

The'ductus'represents the framework of a type.

上面的 “ 弯管”体现了这个字体的结构.

Sheet metal ductwork and specialties, complete with insulation, and dampers in accordance with drawings and specifications.

与图纸和规格相符的完全绝缘的金属片管路 、 特殊金属和阻尼器.

The meeting was a dud as far as new business was concerned.

从新业务的角度来看,这次会议毫无收获.

The OS is truly wonderful, and we're fools to have mistaken it for a dud.

他们的潜台词:这是个很棒的操作系统, 把它看作废物的人都是大笨蛋.

During yesterday's sham battle, party A fired a dud.

赤壁之战, 大火延烧了几天,敌军伤亡大半.

We lit the firecracker and waited for it to go off, but a dud.

我们点燃了炮竹然后等它爆炸, 但是失败了.

He replaced a dud valve.

他换掉了坏阀门。

That allowed the banks to release some of the reserves set aside to cover dud loans.

这样一来,银行可以动用(释放)部分用于弥补不良贷款损失的准备金.

The shells are of poor quality, there is another dud here.

这批子弹质量真差, 这又是一颗瞎火.