查询词典 duct

The velocity profile should be confirmed when non - Newtonian fluid flowing in duct and annuli is researched.

在研究非牛顿流体圆管和环空管流层流流动问题时，确定其速度分布是关键。

Badly cleaned machine, whereby the lap tensioning rollers, lips of the nippers, web trays, table, guidance of the sliver at the outlet, air duct and perforated drums are of special importance.

精梳机清洁状况不良。

There should be noncombustible material and adhesives within 2.00m on both sides of the duct through the deformation joint and the firewall.

穿过防火墙和变形缝的风管两侧各2.00m 范围内应采用不燃烧材料及粘结剂。

6 Ventilation, air-conditioning systems, such as pipelines, should be made of noncombustible material, but duct and flexible joints mhich will contact corrosive medium,can be quasi-burning material.

8.5.6 通风、空气调节系统的管道等，应采用不燃烧材料制作，但接触腐蚀性介质的风管和柔性接头，可采用准燃烧材料制作。

4 The outer surface of composite duct must be noncombustible materials, internal insulation material must be B1 level noncombustible or flame retardant, and harmless.

4.2.4 复合材料风管的履面材料必须为不燃材料，内部的绝热材料应为不燃或难燃B1级，且对人体无害的材料。

In addition, she is good at curing chloasma, freckle, red blood thread, sweat duct nubble, flat wart, sensitive skin and all kinds of birthmark. Combine traditional skin care with modern laser and photon technology to treat, understand and master the latest international and domestic beauty and skin care products, and the trends and technologies.

擅长于黄褐斑、雀斑、红血丝、汗管瘤、扁平疣、敏感性皮肤病及各种胎记的综合治疗，将传统皮肤科治疗与现代激光、光子治疗技术有机地结合，了解和掌握最新的国际国内的美容及护肤品时讯、动向和技术。

If there is a chip out of a glass object, the duct tape can be used to protect the user from being injured.

比如玻璃制品破裂后产生碎片，管道胶带可用于保护使用者不受伤害。

If there is a chip out of a glass object, the duct tape can be used to protec t the user from being injured.

比如玻璃制品破裂后产生碎片，管道胶带可用于保护使用者不受伤害。

It is found that the intensity of vortex and the mixture of fuel with air can be increased by decreasing the oblique angle of duct and increasing the offset of valve.

通过对比计算，发现小的气道倾斜角和大的气阀偏心距离，可以提高缸内涡流强度，改善燃油与空气的混合。

The preliminary optimization is carried on for which the ogee shape factors of the duct are selected to be optimized, and the RCS and flow loss coefficient are considered as objectives.

在进气道腔体的优化中，分析了内管道外形多目标优化中的层次性，将大系统理论中多层次优化方法引入进气道内管道设计中，选择S弯曲线的形状参数为优化的参数，以进气道腔体的RCS、流动损失系数为目标函数，进行了初步的优化计算。

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％。