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Cited Pistons pull vent valve 10-valve piston cited the role of pulling out are seized cylinder piston rod, when its mild in China emerged after the main hydraulic cylinder rod cavity and there is no cavity under the pressure dropped, so that the main hydraulic cylinder in motion the process of increasing resistance to the main pump to increase the load, resulting in engine speed when pumping declining situation.

3活塞引拔阀内泄活塞引拔阀10的作用是拉出检缸活塞杆，当其出现轻度内泄后，主液压缸无杆腔和有杆腔的压差下降，使主液压缸动作过程中阻力增加，使主泵负荷加大，导致泵送时出现发动机转速下降的现象。

The main products include: 1, tensile strength, universal testing machine: microcomputer-controlled universal testing machine, economic-type universal testing machine, tensile testing machine micro-computer, electric / manual (Vertical / Horizontal / double pole / single pole) Rally Units, micro-computer plug test machine, spring tension and compression testing machine, etc.; Second, environmental testing machine series: constant temperature and humidity chamber, drying oven, large load-aging room, walk-in constant temperature and humidity test chamber , Thermal Shock Test Chamber, UV weathering tester, salt spray testing machine, aging chamber three, cartons, packaging, furniture testing machine series: microcomputer carton compression testing machine, the breakdown strength test machine, drop (single arm / arms) Test Units, Units microcomputer vibration test, vibration test Analog Motor Transport Units four, electrical equipment testing machine series: plug wire bending test machine, drum testing machine plugs, plug wire hoist swing test machine, plug-line static tensile testing machine, sudden pull test machine, power cord bending test machine, combustion testing machine, 90-degree peel strength testing machine, torsion testing machine wire, wire abrasion test machine, flexible wires and flexibility testing machine, wire print Kennedy fastness testing machine, measuring the rate of wire testing machine, fatigue test handset line stretching machine, plug test machine, torsion testing machine cold, temperature testing machine, wire thermostat ball pressure testing machine, hot wire tester, leakage from marks tester, wire short-circuit / open circuit / high pressure / low pressure / insulation / conduction / mispairing tester; Friday, computer, mobile phone tester series: Life expectancy axis testing machine, testing machine life clamshell mobile phone, key life testing machine, resistance friction test machine, fully automatic torque tester, mobile Units drop test, tape wear-resistant test machine, the mouse roller life test machine; six, rubber, plastic, tape testing machine series: wear test machine, folding / Wear-resistant test machine, winding machine, vertical / rebound test machine, the permanent distortion compression test machines, foam compression stress test machine, foam plastic repeated compression test machines, test material removed machine, plastic machine Determination of Melt Index , melting point tester, heat distortion temperature test trough, falling ball / drop down / DuPont impact test machine, to maintain constant temperature test tape machine, adhesive tape early bowls tester, hardness tester, peel strength testing machine; seven, footwear, leather , Testing Machine Series: friction test machine, add sulfur testing machine, conveyor-type Needle detector machine, friction dyeing fastness tester, testing machineDecoloration friction, standard light box, cold testing machine

主要产品包括：一、拉力强度、万能材料试验机：微机控制万能材料试验机、经济型万能材料试验机、微电脑拉力试验机、电动/手动（立式/卧式/双杆/单杆）拉力台、微电脑插拔力试验机、弹簧拉压试验机等；二、环境试验机系列：恒温恒湿试验箱、干燥箱、大型负载老化室、步入式恒温恒湿试验室、冷热冲击试验箱、UV耐候试验机、盐水喷雾试验机、老化试验箱三、纸箱、包装、家私试验机系列：微电脑纸箱抗压试验机、破裂强度试验机、跌落试验台、微电脑振动试验台、模拟汽车运输振动试验台四、电工器材试验机系列：插头引线弯折试验机、插头滚筒试验机、插头线吊重摆动试验机、插头线静态拉力试验机、突拉试验机、电源线折曲试验机、燃烧试验机、90度剥离强度试验机、电线扭转试验机、电线耐磨损试验机、可挠电线柔软度试验机、电线印刷体坚牢度试验机、线材测长率试验机、听筒线伸缩疲劳试验机、插拔力试验机、低温冷挠试验机、温升试验机、电线恒温球压试验机、灼热丝试验机、漏电起痕试验机、线材的短路/断路/高压/低压/绝缘/导通/误配测试仪；五、计算机、手机试验机系列：转轴寿命试验机、手机翻盖寿命试验机、按键寿命试验机、耐磨擦试验机、全自动扭力试验机、手机跌落试验台、纸带耐磨试验机、鼠标滚轴寿命试验机；六、橡胶、塑料、胶带试验机系列：磨耗试验机、耐折/耐磨试验机、曲折试验机、垂直/反跳弹性试验机、永久压缩歪度试验机、泡棉压缩应力试验机、发泡塑料反复压缩试验机、试料磨平机、塑料熔融指数测定机、融点测试机、热变形温度试验槽、落球/落垂/杜邦冲击试验机、恒温胶带保持力试验机、胶带初粘性滚球试验机、硬度计，剥离强度试验机；七、制鞋、皮革、试验机系列：磨擦试验机、加硫试验机、输送式检针机、磨擦染色坚牢度试验机、双锤磨擦脱色试验机、标准光源箱、耐寒试验机

Methods The models of tooth extraction wound were established by extracting the left and right maxillary first molares in 60 Wistar rats, and randomly divided into two groups. Right sides of teeth extraction socket were used as experimental groups,experimental group 1 was filled with 30% aloe mastic , experimental group 2 was filled with 50% aloe mastic.

60只Wistar大鼠拔除左右上颌第一磨牙，建立拔牙创动物模型，随机分为实验1和2组（30%和50%芦荟膏组，每组30只），右侧拔牙创内放入芦荟膏作为实验组，左侧常规处理作为对照组。

The purpose of this study was to evaluate the changes on the tongue movement during swallowing before and after orthodontic retraction of anterior teeth using ultrasound technique. The subject consisted of four men and nine women, with a mean age of 21.3 years old. The subjects were undergoing orthodontic treatment with extraction, and there were at least 3mm space left on each side between lateral incisors and canines.

在齿颚矫正治疗时，常常利用拔牙的方式让前牙往后方移动，而这样的移动是否会影响舌头的运动及功能则有待验证；本研究的目的是使用B+M模式口腔超音波防震扫描技术，去评估接受拔牙治疗之矫正患者，在前牙后退完成之后，舌头吞咽运动的时间和振幅是否会改变，并检测前牙距离、角度的改变比率和舌头吞咽运动改变比率之间的相关性。

White discharge printing disperse dye discharge agent stannous chloride worked tin PET fibre

拔染印花；分散染料；拔染剂；氯化亚锡；加工锡；聚对苯二甲酸乙二酯纤维

We all know, the impact on flexo printing mechanism cards and membership cards to make quality of many factors, such as membership card before the ink drawings, color separation, seihan, water-based inks; as printed on the choice of die-cutting, cross-cutting and stamping; business card printing and membership card tension control, making roller selection, Business card printing and membership card making pressure adjustment, etc.

我们都懂得，感化柔印机制卡和会员卡制息质度的成分有好多，如会员卡制息后的不朱图安排、不分色、制版、拔取水基不朱；印後的模切、不竖切、烫金；制卡和会员卡制息的不不不张力把持、网纹辊拔取、制卡和会员卡制息不不不张力调度等。

According to the characteristics of container sheet steel grade and corresponding mold powder for thin slab casting, the relations between the drawing heat quantity in mold and the physical/chemical properties of mold powder were analyzed.

针对集装箱板钢薄板坯连铸过程中拔热量偏低及不稳定问题，根据集装箱板钢种及相适应的结晶器保护渣特点，分析了结晶器拔热量与保护渣理化性能的关系，提出了相应的保护渣理化性能指标。

The anchor withdraw resistance of the screw spike diminishes with corrosion of the screw spike and aging of the anchor agent on site so as to harm traffic safety.

螺纹道钉锚固抗拔力会因螺纹道钉的锈蚀及锚固剂老化等因素而变小，从而影响列车的安全运行，为解决这一问题对螺纹道钉锚固抗拔力进行分析。

One is the comparison with violet durable, inexpensive source of light, in a variety of plate without treatment process; three is to speed up the plate sanshang, scale; 4 is to increase the digital source of lead characters chromatic number, step up, process, color management, so that the traditional business card printing products can be easier to keep up with the digital proofing.

一是拔存紫激光等比力耐用、昂贵的光源；二是拔存百般版材不任办理工艺；不一是放慢版材的国产冻、范畴冻；四是补充数码打样机色数，放松泉源、历程、终端摆设的色彩处置，以便使古板制卡产物可以比力便当不天追上数码打样的成果。

The pain-suffering that the toothache that various burning disease causes brings sufferer from go without saying, because of each on the sick list tooth, oneself is all continuously production, made duplicate a great deal of hotbed of germ virus, was passing blood toward the whole body dissemination every day, then violated the whole healthy body, in this time, traditional mouth cavity tooth disease treatment method, have to adopt destructiveness of pulled out a tooth therapyincluded to pull out a tooth, have a tooth filled, root-canal treatment etc.

各种炎症引发的牙痛给患者带来的痛楚自不必说，由于每颗患病牙齿，本身都是一个不断生产、复制大量病菌病毒的温床，每天都在通过血液向全身传播，进而侵害整个身体健康，在这个时候，传统的口腔牙病治疗方法，不得不采取破坏性的拔牙疗法（包括拔牙、镶牙、根管治疗等），来阻止口腔疾病恶化对身体健康的各种不利影响，然而，这种&亡羊补牢&式的破坏性的疗法，却是以牺牲牙齿为代价的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。