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When the flow through the balance of the piston damping the flow of holes increases, the balance of the piston, the next increase in pressure on both sides of a balanced increase in the distance the piston increases, and vice versa reduced; and also because the spring stiffness is very small, so that shift the balance of the piston pressure required very few changes, so the flow through the Poppet head is not much change, so the first opening Poppet very few changes, to mention the pressure of moving the first opening can be said to remain unchanged, that is, when the pilot valve spring after a set, Poppet Head was opened, the balance piston chamber pressure remained basically unchanged.

当流经平衡活塞上阻尼孔的流量增加时，平衡活塞上、下两侧的压差增加，平衡活塞上升距离增加，反之则减小；又因为弹簧的刚度很小，使平衡活塞上移所需压差变化很小，所以通过提动头的流量变化也不大，因此提动头的开口变化很小，提动头开启的压力可以说是不变的，亦即当先导阀的弹簧一经设定后，提动头被打开时的平衡活塞上腔的压力基本保持不变。

Where goods other than bale d hay are to be fumigated in a chamber or container, the minimum head space must be 100 mm and a load mark should be applied to the walls to ensure that this head space can be achieved.

对于成捆干草以外的货物，如果在熏蒸室或集装箱内处理时，要求货物离熏蒸室的顶部有100毫米的距离，并在这100毫米处设置一个标志，以确保以后装货都以此为限。

Two cylinders drive the tipping unit, loading the bars; one asynchronous motor drives chain motion mechanism, implementing the feed and back off movement of bars; bar lifting movement in the process of chamfering and blanking movement after machining are carried out by another two cylinders; one asynchronous motor rotates the bar and one cylinder swings the wheel head when grinding; the feeding of the wheel head is accomp...

它通过控制两套汽缸驱动翻爪完成上料，一台异步电动机驱动链条式多轮运动机构完成磨削前的进料和磨削后的退料，两套汽缸完成磨削倒角加工时的预料和加工完成后的落料，一台异步电机在磨削加工时驱动棒料旋转，一个汽缸驱动磨头在加工时摆动，一台步进电机驱动磨头实现磨削进给，两套汽缸驱动翻爪完成下料，而磨头是用一台异步电机驱动砂轮旋转的机构，并给出了控制系统原理图及程序流程图，解决了控制器输入点数相对不足的技术问题。

Go all out, open the first family after the war, both sides are pushing to the central site of the Battle Flag, which is both the first leg of the contest, this time should be such as "Behind Mirage","reflection of the setting sun,""Emergency,"" nodules frozen "and other high-performance skills without stint, without the use of reserves to achieve the victory of the first leg, head-to-head wins brave, be sure to overwhelm the opponent from the momentum!

全力以赴、打开开局家族战开始后，双方全力拼抢场地中央的战旗，这是双方首回合的较量，这个时候应把诸如&幻影迷踪&、&回光返照&、&冲锋&、&冰冻结节&等高效技能毫不吝惜、毫不保留地运用上，力求取得首回合的胜利，狭路相逢勇者胜，务必要从气势上压倒对手！

I wanna get my big head knock at the huge head of the big-headed little tiger's !

我要拿我的大头砸大脑袋个小虎子的巨头一下！

Rivet , blind rivet , binding post screws , countersunk head insert nuts , flat head insert nuts , hex. Rivet nut , standard blind rivet studs , speci...

铆钉、拉钉、螺母、小唇拉帽、大唇拉帽、六角拉帽、螺丝拉帽、特殊拉帽、自动车床零件、工具。。。

LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

香港立威刀具有限公司始建于1999年，集科研、设计、生产、经营于一体，专业生产和销售凿岩钎具、矿山配件、工程工具、岩土钻掘工具、铣刨机用铣刨齿、铣刨机刀头、路拌机刀头、煤矿用截齿、各种型号的采煤机用镐形截齿、刀形截齿、掘进机用掘进齿、盾构刀具、地铁盾构机用盾构刀具及各种型号的矿用钻头、岩石钻头、锚杆钻头、工程用旋挖截齿、旋挖钻机用旋挖齿、掘进机截齿、旋挖齿、斗齿、齿座和各种凿岩钎具包括一字钎头、十字钎头、球齿钎头、钎套、钎尾、钎杆等。

On the basis of analyzing the forming mechanism of elliptical head profile spinning a locus equation for the spinning process has been worked out. Then, proposed in a relatively systematic way is a method for the determination of the following: the parameters of the involute profile form plate for the control of a boiler head spinning, and the...

文中分析了椭圆封头仿形旋压成形机理，建立了旋压轨迹方程，较系统地提出了控制封头旋压的渐开线仿形模板参数及旋压道次间距序列的确定方法，并成功地进行了工艺试验，为回转体的仿形旋压控制参数的确定提供参考。

The company mainly produces NC knife handle, needle-type knife handle strong, Dan Huangjia head, milling chucks, needle-strong milling chuck, chuck Modao Ji, the clamp-mouth, Universal boring head, live top, adjustable Sets, drilling and other product-quality and cheap access, complete specifications.

公司主要生产数控刀柄、滚针式强力型刀柄，弹簧夹头、铣夹头、滚针式强力铣夹头、磨刀机夹头、平口钳、万能镗头、活顶尖、变径套、钻接杆等产品质优价廉，规格齐全。

The fourth category: Machine Tool category: X 2008 -(16-20) gantry Xitang Chuang, X 2010 -(20-40) gantry Xitang Chuang, X 2012 -(30-60) gantry milling Boring Machine, X 2016 -(30-90) gantry Xitang Chuang, X 2020 -(40-120) gantry Xitang Chuang, various goal-ray machine, SJ4-1 milling boring head, SJ5-1 milling Boring First, SJ7-1 milling boring head, HY500 CNC milling machine, HY600 CNC milling machine, HY740-processing center, HY850-processing center, HY1060-processing center, various types of processing center-ray machine.

第四类：机床类：X2008-(16-20)龙门铣镗床、X2010-(20-40)龙门铣镗床、X2012-(30-60)龙门铣镗床、X2016-(30-90)龙门铣镗床、X2020-(40-120)龙门铣镗床，各类龙门光机、SJ4-1铣镗头、SJ5-1铣镗头、SJ7-1铣镗头、HY500型数控铣床、HY600型数控铣床、HY740型加工中心、HY850型加工中心、HY1060型加工中心，各类加工中心光机。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。