查询词典 jet-black

After a structural analysis of the jet pipe feeding system for hydraulic deep penetrating, the force model of the system is set up, and the fundamental parameters for controlling the jet pipe feeding are obtained.

在水力深穿透工具喷管送进系统结构分析的基础上建立了系统受力模型，得出控制喷管送进的基本参数关系。

This article used a method, which established shrinkage pipe at the jet flow outlet, so as to enhance the jet fans outlet injection velocity.

本文采用在射流风机出口设置收缩管以提高射流速度的方法。

Jet orifice had been added for air entry,only little air was got into the hole bottom,the most of air entered into internal pipe through the jet orifice ,then was carried out from the hole bottom.

针对贯通式潜孔锤在复杂地层钻进中遇到的问题，对反循环钻头进行了改进：在钻头上部增加喷射孔，使气流只有一少部分进入孔底，大部分经喷射孔直接进入内管，排至地面。

The earliest forms of jet-propulsion, such as the pulse jet utilized in the Flying Bomb, were incapable of functioning at rest, in view of the absence of any means of air-compression.

早期的一些类型的喷气推进器，诸如飞弹所用的脉动式喷气发动机，由于没有任何空气压缩手段而在静止状态下就不具有推进功能。

The X-1 is tricked-out like a jet cockpit, with an ejection seat and a jet fighter influenced instrument panel.

在X - 1是骗出像飞机驾驶舱，并弹射座椅和喷气式战斗机的影响仪表板。

An analytical method to predict the effects of rotor downwash on engine jet was proposed to investigate the flow pattern of helicopter engine jet.

通过考察旋翼洗流对发动机喷流的影响来研究直升机发动机喷流的流动形式。

Al-Si alloy wires with uniform cross section and very fine grains could be fabricated stably under the conditions that the interior diameter of nozzle was 0.25-0.5mm, Ar pressure was about 0.4MPa, cooled liquid flowing rate was 400r/min, melt jet flying distance was 5-10mm, melt jet entrance angle was 35°~45° and the melt superheat degree was 100~150℃.

结果表明，在喷嘴直径为0.25~0.5mm、氩气压力为0.4MPa、旋转鼓转速为400r/min、合金液飞行距离为5~10mm、合金液入射角为35°~45°及合金液过热度为100~150℃的条件下，可稳定获得横截面圆整一致、晶粒细小的合金线。

It was there he invented and developed the Pulse Jet Engine, a one-man single bladed jet helicopter which he test flew himself and also a Delta Wing Convertiplane for the United States Airforce.

在那里，他发明和发展了脉冲喷气发动机，一人单刃喷气直升机试飞了，他自己也是一个三角翼Convertiplane为美国的空军。

The effect of the number of jets and the pitch angle of jet on recovery coefficient of diffuser were analyzed, it is shown that the appropriate choice of parameters such as the number of jets and the pitch angle of jet can effectively control the flow separation in the diffuser.

文中还分析了不同射流孔数和射流倾斜角对于压力恢复系数的影响，发现选择合适的涡旋射流孔数及其射流倾斜角等参数，可以更有效的控制扩压器内流动分离。

Transforms into an alien VTOL jet that looks significantly more jet-like than his Movie counterpart, despite the fact he seems to have stolen Movie Megatron's head.

变形为一架比真人电影里更像喷气机的喷气机。虽然他的脑袋与真人电影相似。他的大炮着实巨大，遗憾的是他并不带着武士刀出场。他的地球形态很接近G1 。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。