管口的

According to spatial analytic geometry,the mathematical model of intersecting of pipe and cone was established.

利用空间解析几何的原理建立了管锥相贯数学模型，用参量方程描述了管端相贯线焊接坡口的几何形状，该数学模型可应用于三轴联动火焰数控切管机。

With certain shapes of or canula, elongated caps are made to cover both canula and threaded portion, and seal the canula at its top.

根据管口和导管的不同形状，可以制造细长的管盖以覆盖导管和螺纹部分，并在顶部封住导管。

With certain shapes of nozzle or canula, elongated caps are made to cover both canula and threaded portion, and seal the canula at its top.

根据管口和导管的不同形状，可以制造细长的管盖以覆盖导管和螺纹部分，并在顶部封住导管。

Canula, and orifice features may be varied to suit particular requirements, provided these are within the practicabilities of the impact extrusion process on a mass-production basis.

5管口，导管和孔口的形态可以根据不同的需要而有所变化，但是前提是它必须能够承受大规模生产过程中的冲挤压力。

This configuration is very similar to the gooseneck, but the inlet to the gooseneck is oriented in the same direction as the valve outlet.

这种结构同鹅颈管很相似，但鹅颈管的入口与阀门排气口的方向一致。

This configuration is ver y similar to the gooseneck, but the inlet to the gooseneck is oriented in the same direction as the valve outlet.

这种结构同鹅颈管很相似，但鹅颈管的入口与阀门排气口的方向一致。

Products range can specifications with a variety of models of spheroidal graphite cast pipe, PVC pipe, glass pipe, cement pipe and other big match of the interface.

产品种类齐全，可与各种规格型号的球墨铸管、PVC管、玻璃钢管、水泥大口管等的接口相匹配。

Fire-polish each end of each tube.

每根管的管口要用火烧平。

By utilizing stage to stage control method, the walking robot realizes static gait walking, the in-pipe robot can walk in the pipeline forward and backward, up and down, left and right, can pass"L"shape and"T"shape pipe connector, can pass in and out pipe nozzle.

采用基于马氏体相变的分阶段驱动控制方法，步行机器人实现了静步态行走，管内机器人实现了管内前后、上下、左右全方位行走，可通过&L&型、&T&型管接头，可进出管口。

"Clarinet:a woodwind instrument having a straight, cylindrical tube with a flaring bell and a single-reed mouthpiece, played by means of finger holes and keys."

单簧管，黑管：一种管乐器，有直的圆筒形管身和一个外敞的管口及一个单簧吹口，以指孔和键的方式演奏。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐