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The mechanism of vaporization , cavitation and water-hammer of drill fluid occurring on the suction stroke of drill pump is investigated.

对钻井泵吸入过程中钻井液产生汽化、汽蚀与水击现象的机理进行了探讨。

In the pump starts, and the handle will be connected to the closure of the valve cover, exhaust emitted from a jet device through the tube connected to suction pump out the air.

在水泵启动时，将和手柄相连的阀盖关闭，废气从射流器喷出，通过连管把泵中的空气吸出。

You should be sure and purchase trauma shears, tweezers, irrigation syringe and possibly a rubber suction bulb.

你应该去购买一些外伤用的剪刀，镊子，冲洗器以及橡胶吸入球。

Failure by an empty piece of analysis, you can see, the regulation of high and low suction nozzle and airflow size is the key, the other heaps of paper operation level is also very important, at the same time, to better by wooden wedge stack of planeness.

通功不满弛障碍来因的不分析，可以看不入，各呼嘴的矮矮调度及风度巨细是盖脚，另边堆纸不不安纵程度也很轻给，同时，给通功木楔调度好纸堆的裂缝度。

Mainly produces various specifications of the file; screwdriver; Modaomen stick; half of a dollar file; triangular file; flat file; yuan file; side file; Park chainsaw file; prism file; assorted file; wood file; a variety of specifications suction card suit; Bungkah suite; 3PC suite; 4PC suite; 5PC suite; 6PC suite; 7PC suite; 12PC suite

主要生产各种规格的锉刀；螺丝批；磨刀棍；半元锉；三角锉；扁锉；元锉；方锉；园链锯锉；棱形锉；什锦锉；木锉；各种规格的吸卡套装；邦卡套装；3PC套装；4PC套装；5PC套装；6PC套装；7PC套装；12PC套装

Specializing in the production of various types of high-magnetic, stainless steel suction door, hinge, Road, rail, hinge, glass clip, handle; all kinds of stainless steel hinge head, stainless steel bearings, stainless steel self-tapping screws, furniture screws, such as three-in-one matching furniture hardware decoration works.

专业生产各类高强磁，不锈钢门吸，铰链，道轨，合页，玻璃夹，拉手；各类不锈钢合页头，不锈钢轴承，不锈钢自攻螺丝，家具三合一螺丝等家具装饰工程配套小五金。

The results showed that tillage had stronger compaction effect on Red soil. By analyzing retention properties, water content was higher in the same suction for Red soil. Field capacity and wilting coefficient were higher for Red soil than those for Lou soil, but effective moisture and saturated hydraulic conductivity were lower for Red soil. For Red soil, Lateral infiltration ability was stronger, infiltration rate was greater than one number degree for Lou soil and preferential flow occurred easily.

结果表明：耕作片红壤有较强的压实作用；从持水特征分析，同一吸力下红壤的含水量较高，田间持水量和凋萎系数也高于塿土，而有效水含量略低于塿土，饱和导水率却低于塿土1个数量级；从入渗特征分析，红壤的侧渗能力很强，入渗率比塿土高1个数量级，容易发生大孔隙流。

The subject of the mechanism-based emulsion formulated based on the theory, the ratio in the emulsion is to use part of the Venturi tube by high-speed water pipes in their place to produce negative pressure to suction up oil ratio of the working principle, and the higher degree of automation systems, the emulsion with the concentration can completely meet the "Coal Mine Safety Regulations" requirements.

本课题在基于乳化液配制机理的理论基础之上，在乳化液配比部分是利用通过文丘里管的高速水流在其喉管处产生负压将油吸上来的工作原理进行配比的，该系统自动化程度较高，所配乳化液浓度完全能够满足《煤矿安全规程》要求。

Acer-production company to operate the various rubber products (conductive silicon rubber, PORON aging anti-skid rubber; natural rubber, styrene butadiene rubber and synthetic rubber, etc.); color EVA; highly flexible foam to force胶制品; various colors and high-density sea Cotton products (cotton fire; enhanced filter cotton; compressed cotton; anti-static cotton; PVC cotton; noise cotton; suction Mexican cotton; Zhenzhu Mian, etc.), various colors and shapes with Beijiao velvet, velvet paper, cloth, paper Park, Dust network, EPE anti-static protection of film, Pakistani products faster, double-alone desktop products and various special stickers heat conductive materials.

光宏公司经营生产各种橡胶制品（导电硅橡胶，PORON防滑老化橡胶；天然橡胶；丁苯橡胶和合成橡胶等）；颜色EVA；高发泡高弹性回力胶制品；各种颜色和高密度海棉制品（防火棉；强化滤棉；压缩棉；防静电棉；PVC棉；隔音棉；吸墨棉；珍珠棉等），各种颜色和形状带背胶绒布，绒纸，不织布，纸朴，防尘网，EPE防静电保护膜，快巴制品，双、单桌面胶贴特殊制品和各种导电散热材料等。

When the condensed water discharge is completed, the subsequent emission of steam, due to condensation of water vapor than the volume and velocity, to generate pressure up and down the valve, the valve in the suction flow rate of steam rapidly closing.

当凝结水排放完毕，蒸汽随后排放，因蒸汽比凝结水的体积和流速大，使阀片上下产生压差，阀片在蒸汽流速的吸力下迅速关闭。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。