螺孔

Secondly, it analyses the line type between stator and rotor of PDM, gets its derivation bone line equation that satisfies the motor conjugate line type of theoretical sealing and the equation of curved surface, and determines its basic processing method and technology according to the line type characteristic of the spiral curve through analyzing some kinds of typical spiral curve processing methods.

其次，对螺杆钻具定子与转子进行线型分析，推导出其满足理论密封性的马达共轭线型的骨线方程和曲面方程，根据螺杆钻具定子内孔螺旋曲线的线型特点，在分析了几种典型的加工螺旋曲线加工方法的基础上，确定了其基本的加工方法和工艺。

The high abundance and large colony size of Porites at shallow waters might be ultimate factors for the snail's preference, while larval phototaxis and larval preference on Porites may be proximate mechanisms.

推测微孔珊瑚在浅水区丰度高和群体大可能是造成紫口珊瑚螺对深度有不同偏好的远因，而幼生向光性和对微孔珊瑚的偏好可能是造成此现象之机制。

The well type gas nitrogenation oven uses the multi-layered multistage multi-link multi-spot assignment type ammonia input mode, enables the active nitrogen member fast evenly with the work piece surface union, forms the even fast nitrided level, the coordinate high speed spiral air flue, the effective addressing work piece blind hole and the deep hole nitriding craft, nitrides strongly by the microcomputer programmed control infiltrates, the diffusion technology heating curve.

井式气体氮化炉采用多层多段多环多点分配式氨气输入方式，使活性氮气分子能快速均匀地与工件表面结合，形成均匀快速氮化层，配合高速螺旋风道，有效解决工件盲孔和深孔地氮化工艺，由微电脑程序控制氮化强渗、扩散工艺加热曲线。

Early sex change of solitary snails can explain the small size of females on branching Porites in contract to the massive Porites.

推测在分枝状微孔珊瑚上紫口珊瑚螺大部分是单独存在其变性时间未受到其它雌螺的影响，因而造成较小个体的雌螺进而产生较差的生殖能力。

High frequencies of solitary snails, slender shell morphology, small females and low fecundities were character of snails on the branching Porites.

在分枝状微孔珊瑚上的紫口珊瑚螺大部分单独存在、个体大小变异较小且比例上壳的形态较窄、雌螺较小且总卵鞘面积较小。

Cheesed head studs for arc stud welding are largely applied in bridges, reinforced concrete for high buildings and industrial buildings, cover fixture of heave duty ships, boiler pipe welding, inserts fixture for boiler pipe and other special purposed containers.

电弧螺柱焊用圆柱头焊钉系列产品主要用于桥梁、高层建筑及工业厂房的钢-混凝土结构，大吨位船舶各种孔盖的固定，锅炉管道的螺柱连接、锅炉管道的散热及储罐、槽车等各种容器特殊衬里的固定。

Auger bit, square shank drill bit, electrical, hammer drill bit, masonry drill bit, flat wood bit, forstner drill lok, chisel.

8A79 8A81 自螺钻、万孔钻、冲击钻头、电锤钻头、木工扁钻、木工绞孔钻、门锁套装开孔器、调节圆孔钻、凿子。

A handle is arranged in the middle of the frame, and the handle is connected with a big bevel wheel through a small bevel wheel.

它包括框架、左伸缩臂、右伸缩臂，所述框架为中间空形，所述左伸缩臂和右伸缩臂的内侧为管形，外侧为蝶形，蝶形面上设有二排孔，所述框架两端分别嵌套左伸缩臂内侧和右伸缩臂内侧，左伸缩臂内顶端设置有左螺母，右伸缩臂内顶端设置有右螺母，所述的框架中部设有手柄，手柄通过小斜齿轮连接大斜齿轮，大斜齿轮连接有螺杆，所述螺杆有以中间为对向的螺纹，螺杆的两端分别与左螺母和右螺母相连接。

The body has drum mixed with four leaves, stirring with a good performance out of the concrete mix to make a more uniform 2: mixed leaves on a mixed open hole to raise the quality of concrete mixing; 3 ----- sealed tube was funnel shape, Large caliber to ensure a smooth feed: 4: Lo leaves were added to the top surface wear protection, to extend the service life of the leaves, 5 leaves on a few large rectangle-shaped hole and the hole in the concrete to reduce the adhesion of the leaves; 6 : Mixing cylinder B520JJ optional alloy steel materials, wear resistant materials; 7 from the first block plate spinning, 8: ZG35 stirring drum track using the material, casting molding.

筒体内有四块拌叶、具有良好的搅拌性能，使拌出的混凝土更加均匀2：拌叶上开有拌孔能提高混凝土搅拌质量；3密封管-----呈漏斗形状，口径大能确保顺利进料：4：螺叶片呈曲面顶端加防护耐磨条，延长叶片使用寿命，5叶片上有几个圆孔及长方钜形孔减少混凝土在叶片上的粘附； 6：搅拌筒体材料选用B520JJ合金钢、抗耐磨材质；7封头由整块钢板旋压成型，8：搅拌筒轨道采用ZG35材质，经铸造成型。9：搅拌筒壳体各部件由高强度及高耐磨材质制作而成。10：搅拌筒整体焊接采用自动埋弧焊技术。

Normative references GB 150 steel pressure vessel GB 152.1 ~ 152.4 fastener hole and Shen Kong GB 196 common Cast Gate Valves thread of basic dimensions (diameter l ~ 600mm) GB 197 common thread of tolerance and fit (diameter of 1 ~ 355mm) GB 798 live bolt GB 897 stud bm = ld GB 898 stud bm = 1.25d GB 901 Class B and other long stud GB 5782 Hexagon head bolts A and B class GB 5796.1 ~ 5796.4 Cl 150, 300, 600 Lb Cast Steel Gate Valves trapezoidal thread GB 6175 2 Hexagon nut A and B class GB 9112 types of steel pipe flanges GB 9113.1 ~ 9113.26 Integral steel pipe flanges GB 12220 Universal Valve Logo GB 12221 length of the Cl 900, 1500 Lb Cast Steel Gate Valves valve structure of metal flange GB 12222 Multi-turn valve actuator attachment GB 12224 General requirements for steel valves GB l2228 General Valve carbon steel forgings GB 12229 Universal Valve carbon steel castings GB 12230 Universal Valve austenitic steel castings GB / T 12252 General requirements valve supplier ZB Jl6 006 test and test valve

引用标准 GB 150 钢制压力容器 GB 152.1～152.4 紧固件通孔及沉孔 GB 196 普通螺纹基本尺寸(直径l～600mm) GB 197 普通螺纹公差与配合(直径1～355mm) GB 798 活节螺栓 GB 897 双头螺柱bm＝ld GB 898 双头螺柱bm＝1.25d GB 901 等长双头螺柱 B级 GB 5782 六角头螺栓 A和B级 GB 5796.1～5796.4 梯形螺纹 GB 6175 2型六角螺母 A和B级 GB 9112 钢制管法兰类型 GB 9113.1～9113.26 整体钢制管法兰 GB 12220 通用阀门标志 GB 12221 法兰连接金属阀门结构长度 GB 12222 多回转阀门驱动装置的连接 GB 12224 钢制阀门一般要求 GB l2228 通用阀门碳素钢锻件技术条件 GB 12229 通用阀门碳素钢铸件技术条件 GB 12230 通用阀门奥氏体钢铸件技术条件 GB/T 12252 通用阀门供货要求 ZB Jl6 006 阀门的试验与检验

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。