环管

Most of the operating parts of the rifle were coated in Kal-Guard, a quarter-inch hole was drilled through the stock and buffer tube for drainage, and an O-ring was added to the end of the buffer assembly.

该枪的大部分部件被Kal-Guard覆盖，枪托和缓冲器管上有一个1/4英寸的孔用来排水，以及缓冲器组件末端的一个O形环。

Sunshine Jinsheng prospecting machinery parts factory was established in 2004, in Juxian County in Rizhao industrial roundwood, mainly the production of machinery parts of prospecting, drilling pipe series of products, all kinds of Taps, the mother cone series, including alloy free clamp, pliers, wrenches, Pad fork, plywood, hammer hanging Series, all kinds of joints, joint public and joint mother, coupling series, Kahuang, kava series, to Reply, Reply to Central series, with the rope diamond drilling coring drill pipe, drilling - Tube assembly, gripping Trojans, and other products, and processed in accordance with customer demand for a variety of accessories.

日照金盛探矿机械配件厂成立于2004年，位于日照莒县工业圆，主要生产各种探矿机械配件，产品有钻杆系列、各种丝锥、公母锥系列、含合金自由钳、钳子、扳手、垫叉、夹板、吊锤系列、各种接头、接头公、接头母、接箍系列、卡簧、卡瓦系列、提引器、提引环系列、金刚石钻进用绳索取心钻杆、钻杆内管总成、木马夹持器、等产品，并可根据客户需求加工制作各种配件。

Successful tracheal intubation wasverified using the following criteria: 1 identification ofthe trachea and tracheal rings, 2 visualization of vocal cords,3 widening of glottis as the tracheal tube passes through,and 4 tracheal tube position above carina and demonstrationof movement of the chest wall visceroparietal pleural interface(i.e., sliding sign) after manual ventilation of the lungs.

成功的气管插管通过如下的标准证实：1）辨别气管和气管环，2）可见到声带，3）当气管导管置入时声门变宽，4）隆突上气管导管的位置以及手控通气时胸壁内脏壁胸膜界面的运动。

Withdraw the bag cage, release the damaged bag from the tube sheet by pressing one point of the snap ring inwards and remove the bag.

取出袋笼，把扣环一端向里压，从管板上取下破损的袋子。

This paper analyses surface constitution for the weld samples of low Sn Zr 4 cladding tube by wave spectrum analytical method.

采用电子探针的波谱分析方法，对国产低锡Zr4包壳管的环焊缝试样进行表面成份分析。

The mean age was 40 days and the mean body weight was 3.77kg. Under epidural anesthesia and tracheal intubation, carbon dioxide was insufflated into abdominal cavity via a Veress needle, reaching a insufflation pressure of 10-14 mmHg. One umbilical camera port and two subcostal instrument ports were made. Results The mean operative time was 37 minutes.

在气管插管＋单次硬膜外麻醉下，脐上皮肤小切口，Veress针穿刺入腹，注入CO2，建立气腹，压力为10～14mmHg(1.33～1.86kPa)，此处置一4mm套管，放入腹腔镜，直视下左右上腹各置一套管，放入操作器械，完成幽门环肌切开。

We also regularly see seahorses, scribbled and banded pipefish, juvenile sweetlips, yellow -tailed barracuda, banded sea snakes, octopus,bobtail squid, hermit crabs, and many varieties of shrimp.

当然其它海洋生物也没有闲着，我们还能观赏海马/管口鱼/条纹鹰嘴鱼/幼年厚唇鱼/黄尾梭鱼/环纹海蛇/章鱼/短尾乌贼/隐士虾和多种其他虾。

The residual stress distribution of the tangential residual stress,the hoop residual stress and the normal residual stress test of spiral seam arc weld pipe were studied on the basis of elastic mechanics analysis and superposition theorem.

基于弹性力学应力分析和叠加原理，研究了螺旋缝埋弧焊管切环法残余应力测试中的残余应力分布。

The system by 8,098monolithic microcomputers, the temperature sensor, the A/D switch, thekeyboard and the display circuit, the crystal thyratron triggers theelectric circuit and so on the controller which is composed and iscontrolled the object resistance furnace to constitute a closed-loopcontrol system.

系统由8098单片机、温度传感器、A/D转换器、键盘及显示电路、晶闸管触发电路等组成的控制器和被控对象恒温库构成一个闭环控制系统。

The composition voltage, the electric current double closed loop voltage-stabilized source, used the integrated phase shifting crystal thyratron module to do for the electrical energy transformation component, in detail has calculated the rectification main circuit main component parameter; In the pulse-duration modulation part, used the special-purpose integrated circuit to realize the frequency modulation to adjust the pressure, did take IGBT as the power transformation component, realized the output voltage frequency modulation to adjust the pressure, and has calculated the related parameter.

在调压稳压电压源设计中采用二阶工程设计法设计了电压和电流调节器，组成电压、电流双闭环稳压电源，采用集成移相晶闸管模块做为电能变换器件，详细计算了整流主电路主要器件的参数；在脉宽调制部分，采用专用集成电路实现了调频调压，以 IGBT 做为功率变换器件，实现了输出电压的调频调压，并计算了有关参数。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。