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Installation of two outer openings each staggered 180b, the inner and outer openings staggered opening 90b, and pin the three rings with a fixed, outer and inner expansion force in self-expansion force of working together, close to the surface of the pump cylinder run, inflation is not only the axial ring sealed, and the radial seal Ye Hao, it prevents micro-fine sand and into the axial friction pair, can also prevent the micro-fine sand and into the internal voids in the inner ring 3, the operation will not impede expansion ring breathing.

安装时2个外环开口互错开180b，内环开口与外环开口错开90b，并用销钉将3个环固定，外环在自身胀力和内环胀力共同作用下，紧贴泵筒内表面运行，胀圈不但轴向密封好，而且径向密封也好，故阻止微细砂进入轴向摩擦副，也可阻止微细砂进入内环3的内部空隙中，不会阻碍胀圈运行中呼吸。

In addition there will be a part of compressor running metal end of the refrigerant itself contains a certain amount of impurities, as the refrigerant in the refrigeration system, circulation changes, which will plug into the expansion valve valve Bellows Seal Valves hole, into the compressor will nap, and scratching the cylinder.

另外压缩机运行后也会有一部分金属末，制冷剂本身也含有一定数量的杂质，随着制冷剂在制冷系统内循环变化，它们进入膨胀阀就会堵塞阀孔，进入压缩机就会拉毛和刮伤汽缸。

No sand made it into the shoe from the bottom, either, although a little made it into the bottom of the lace area from the front. It didn't migrate up.

同样，也没有沙子从鞋罩底部进入鞋内，只是有一点沙子从前面进入鞋带区的底部，不过沙子无法向上跑入鞋内。

The tracer migration that the tracer concentration continuously injecting into semi-infinite sand column(initialization velocity is zero) and the pollutant continuously enter into aquifer through a discharging well that completely enter into the dive aquifer are two representative groundwater pollution problems ,Then this paper respectively sets above two decided solution problems and the union simulation problem of groundwater and solute as examples, from the question description, the mathematical model selection and determination, the parameters selecting to carry on the value computation, the read-write of attribute data , visualizes by the IDL programs, carries on the numerical simulation and the visualization post-processing to the above groundwater pollution problems, and according to the numerical solution and the solute migration curves, briefly analyzes and predicts the temporal and spatial distribution features and distribution range of contaminant concentration.

然后分别以半无限长沙柱中连续注入示踪剂浓度的运移、污染物通过一完全进入潜水层的排放井连续进入含水层这两个典型地下水污染定解问题及地下水流和水质联合模拟问题为例，从问题描述、数学模型选取确定、参数选取到运用IDL编程进行数值计算、属性数据读写、可视化，对上述地下水污染问题进行数值模拟和可视化的后处理，并根据数值模拟的数值结果和溶质运移曲线，对污染物浓度的分布范围及随时空变化趋势作了简要分析预测。

Test art institutions that, once a child entered the school, finishing school, and then into the salt-cured臜臜the "circle","XX", such as, what else can it strange?

是啊！考艺术院校如此，一旦某个孩子进入学校，上完学，再进入这个腌腌臜臜的&圈子&，&XX&之类的，还有什么可奇怪的呢？

Hot-rolled seamless tube rolling with the beginning of continuous casting slab or slabs as raw material, after reheating furnace heating, high-pressure water descaling entered the rough mill, roughing cut is expected by the head, tail, re-entering the finishing mill, the implementation of the computer controlled rolling, and finally after rolling through the laminar cooling and coiling machines Coiling, becoming straight hair volume.

热轧无缝管用连铸板坯或初轧板坯作原料，经步进式加热炉加热，高压水除鳞后进入粗轧机，粗轧料经切头、尾、再进入精轧机，实施计算机控制轧制，终轧后即经过层流冷却和卷取机卷取、成为直发卷。

Although it took only a few days for us to develop the synthesis technology and we put a lot of efforts into it, our product failed to get the first green light.

我们进入的是100天正常的审批程序，我们还是希望尽早进入临床，尽早获批生产，为医治非典做出自己的一点贡献。

Not to enter the justification that is to get out of time and have too much time out of, or directly to the designated area will be allowed to enter inside.

不得进入的理由，就是摆脱了时间和太多的时间，或直接到指定的地区将被允许进入内部。

I really do not enter the NTT For the money, but for the sake of learning technologies can be better, if I am for the money, then I would not have to participate in training, I think that is a full-NTT The ball carrier in a relatively good, as a CCIE, operators can enter the work is very perfect, so I would rather choose to pay lower NTT.

我进入NTT确实不是为了钱，而是为了能够更好的学习技术，如果我为了钱的话我就不会来参加培训，我觉得NTT是一家全球运营商里比较好的一家，作为一名CCIE，能进入运营商工作是很完美的，所以我宁愿降低薪水而选择 NTT。

If we make it there it will be our second consecutive final, the third in four years.

如果我们进入决赛，这将是我们连续两年进入决赛，也是四年内第三次。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。