环管

Tubes and pipes of the foregoing cross-sections may be polished, coated, bent, threaded, drilled, waisted, expanded, cone-shaped or fitted with flanges, collars or rings.

横截 面成上述形状的管可经打磨、涂层、弯曲、成螺纹、钻孔、缩腰、扩张、成锥形或配有凸缘、环或圈等。

Performance of fluid can be improved remarkably by adding diversion annuluses within the tube segments where the cross section suddenly changes.

通过在各截面突变处设置管口导流环会有很好的降阻效果。

Forty-sixe cases of symptomatic dynamic lumbar spinal instability were selected from the Ninth and Second People's Hospital from March 2003 to March 2007. They received dorsal spinal strenosis surgical decompression, titanium JJXA segmental pedicle screw fixation, intervertebral pace brace, intervertebral disc resection, with the sideward and the forward annulus fibrosus retained, endplate cartilage zone curetted, then received intervertebral bone particles graft, and pedicle screw compression. The patients were followed up for more than 15 months. The good and excellent rate was 91.3%.

选择2003-03/2007-03南阳市第九人民医院和南阳市第二人民医院收治的动力性腰椎不稳患者46例，行后正中入路下的椎管减压手术，钛制JJXA椎弓根螺钉置入，并行椎间隙撑开，双侧切除椎间盘保留侧方以及前方的纤维环，刮除终板的软骨层，行椎间颗粒骨植骨，椎弓根螺钉系统加压固定。46例随访时间≥15个月，优良率91.3%。

When carrying on outlaying and designing, we will solve and absorb the tedious miscellaneous matters by ourselves, provide worry free, time-saving, economize appointing document for the owner considering the conveniences of the following construction as well as join and need of the neighbor project.

在设计规划初期先充分了解现场环境外，充分和业主沟通了解整体规划案的布局和定位，在进行规划设计时，自行解决消化管繁琐杂事并考虑到后续施工单位的方便性以及邻居工程的衔接和需要，为业主提供省心、省时、省钱的委任案。

This paper expatiates on the methods marginal, horizontal and vertical shimming magnet block of OK radiator in Hefi storage ring.

合肥国家同步辐射实验室正在开展储存环相干谐波自由电子激光研究，并对原来的光学速调管进行了改造。

During oil production, pumping rod is eccentric in the long oil tube, in which flow of the swabbed fluid can be regarded as an unsteady flow of second-order fl.

在采油过程中，由于油井较深的缘故，抽油杆在油管中是处于偏心位置的，可以把聚驱井抽汲液在井筒中的流动视为二阶流体在内管做轴向往复运动的偏心环空中的非定常流动。

Carbide products company's main products: bar, long thin, box, welding blade, turning blades, rotating file of rough, spiral blade, bamboo cutter blade, the saw blade cutter rough, porous stretch mode, Blank-cold heading, roll, possession, Central, the ball, special-shaped nozzle and various parts overall carbide tools: Jingmoyuanbang, the overall carbide bit, end mills, the key slot cutter, R cutter, ball - Cutter, Reamer, small aperture boring knife blade cutter, welding-type spiral end mill and Gezhongfeibiao tool of high-density tungsten alloy products: Jingmoyuanbang, oscillator, the Pendulum, with weights, fly Benchmarking, and so on.

公司主要产品硬质合金制品：棒料、长条薄片、方块、焊接刀片、可转位刀片、旋转锉毛坯、螺旋刀片、竹木刀具刀片、锯片铣刀毛坯、微孔拉伸模、冷镦模坯、轧辊、管、环、球、喷嘴及各种异型零件整体硬质合金工具：精磨圆棒、整体硬质合金钻头、立铣刀、键槽铣刀、R铣刀、球头铣刀、铰刀、小孔径镗刀、锯片铣刀、焊接式螺旋立铣刀及各种非标刀具钨基高密度合金制品：精磨圆棒、振子、摆锤、配重块、飞标杆等。

Hold the lower valve rod, place hydrant seat into lower barrel until the bottom contacts drain ring.

用双手握住下阀杆，把阀座放入地下埋管，直到底部与放水环接触为止。

I place the bearings in their new home, with enough tube fitted into a block with a 1/4 hole drilled into it. I taped and clayed the bottom to prevent leakage and to protect the hull from epoxy overflow.

我把轴承在他们的新家园，有足够的管装成块与1 1 / 4 钻孔到它，我录音和clayed底部，以防止渗漏和保护船体由环氧溢出。

Close to the compressor impeller end of the sealing ring or rejection damaged oil ring, oil will enter the impeller chamber, and then later with the indoor air with pressurized by entering into the combustion chamber of the tube.

靠近压气叶轮一端的密封环或甩油环损坏后，机油由此进入叶轮室，然后随室内增压后的空气一同经进所管进入燃烧室。

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。