管口的

Based on gas dynamics,a mathematical model for the air brake system of train is established.

根据气体动力学原理建立了列车空气制动系统的数学模型，预测了制动系统紧急制动作用；陆界长度与机车大闸排气口面积、列车管定压及列车长度的关系。

A conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth.

一种在细的一端有窄管的锥形器皿；用来通过小口把流质分到容器里。

An intake port is formed in head of the suction pipe so that the sucked air flows turning in contact with the inner circumferential surface of the dust collection chamber.

吸气管的前端形成吸气口使吸引风一边与集尘室的内周面相接一边旋转流动。

A whistlelike mouthpiece for certain wind instruments, such as a recorder or flageolet, that channels the breath toward the sounding edge of a side opening .

音栓如竖笛或哨笛等气鸣乐器的哨形吹口，引导气流冲向管边切口上的发音边缘

A new kind of muzzle velocity sensor is introduced which is a special designed paired one.

实验表明这是一种直接的、有效的测量方法，这种传感器为在高射速转管武器上随炮实时测量弹丸炮口速度提供了可能。

That was a fully redesigned Rheinmetall 37 mm AT-gun Pak 30 with a longer barrel and higher muzzle velocity.

它完全是在德国Rheinmetall公司的Pak-30型37mm炮的基础上重新设计而成，拥有一个长身管和高炮口初速。

Among these patients, 20.9%(24/115) had a history of eating raw meat. For discharge diagnosis, neurocysticercosis accounted for 92.2%(106/115),cerebral paragonimiasis 3.5%(4/115), sparganosis 2.6%(3/115), and angiostrongyliasis cantonensis and gnathostomiasis 0.9%(1/115) each.

有生食史的占 2 0 。9%(2 4 / 1 1 5)，出院诊断为脑囊尾蚴病的占 92 。2 %(1 0 6/ 1 1 5)，脑并殖吸虫病占 3 。5 %(4/ 1 1 5)，脑裂头蚴病占 2 。6 %(3/ 1 1 5)，脑广州管圆线虫病、棘颚口线虫病各占 0 。9%(1 / 1 1 5)。

Results MRI findings of nasopharyngeal carcinoma appeared as diffusely or locally thickened nasopharyngeal walls,and pharyngeal recess was closed and pharyngeal opening of auditory tube became shallow or disappeared,sometimes with parapharyngeal space、retropharyngeal space and logus capitis oppressed or invaded.

结果：鼻咽癌的MRI表现为鼻咽壁局限性或弥漫性增厚，咽隐窝闭塞，咽鼓管咽口变浅或消失，可伴有咽旁间隙、咽后间隙、头长肌受压或浸润及颈部淋巴结的转移，可见乳突积液，颅底骨质破坏。

Because the FCU for the cargo elevator lobby is too slantwise, the seeper in the dehydration tray leaks.

23层货梯口安装的盘管风机过于倾斜，脱水盘内的积水溢出来引起漏水

These machines, in standard configuration, are designed to produce accurate bevels on pipe wall thickness up to 42 mm.

这些机器采用标准配置，特别用于在管壁厚度高达42mm的管道生成精确的坡口。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。