Usual plate gear have big diameter, but thin in depth, and have a axle hole in the center, so it can be simplified into a thin disc ring.
由于常用的盘形齿轮直径大，厚度小，且中间有较大的安装轴孔，所以可以将其简化为薄环盘，与变幅杆组成变幅器。
"There is no unified flat Earth model, " Shenton suggests, "but the most commonly accepted one is that it's more or less a disc, with a ring of something to hold in the water.
“尽管平坦地球论还没有公认的模型，”珊顿说，”但为多数人接受的观点认为，地球形状是个圆盘，并且在水中托着一圈某种东西。
An annular eclipse occurs when the moon does not cover the entire disc of the sun so that a ring of light encircles the shadow of the moon.
当月亮不能完全遮住太阳时，月亮影子的周围就会有一圈亮光，日环食就发生了。
Disc– machined seating surface is mated to seat ring for positive shutoff.
阀瓣-机加工阀座表面，配置阀座环，实现积极有效的关闭。
Hernia Lumber Disc refers to a group of symptoms and body signs caused by pressure and stimulation to spinal marrow or nerve root due to fibrous ring rupture and pulpiform nucleus protrusion.
腰椎间盘突出症是指椎间盘的纤维环破裂和髓核组织突出，压迫和刺激脊髓或神经根所引起的一系列症状和体征。
The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc.
阀由警戒装置、弹簧、阀碟、扣环和阀座组成，可以和许多管件连接，如缩径管接头、排水弯头等。
Disc? Machined seating surface is mated to seat ring for positive shutoff.
阀瓣-机加工阀座表面，配置阀座环，实现积极有效的关闭。
There is adjusting disc in the valve. Change the distance between disc and seat ring can change the blowing pressure.
吹灰器的阀门内装有调整盘，改变调整盘与阀阀座环的间隙，可以改变吹灰介质的工作压力。请在吹灰之前现场调节。
The bottom of the disc is guided by the body seat ring for maximum disc stability in throttling applications.
阀瓣底部由阀体阀座环引导，最大限度提高阀瓣在节流应用中的稳定性。
Vector potentials produced by uniform electric current in the shape ring, cylinder and disc are discussed.
采用柱对称性和叠加原理讨论了均匀载流圆环、圆筒、圆盘的矢势问题。
The (3) flexible retaining ring provides a complementary seating pressure on the disc.
柔性固定环在阀瓣上提供补偿性阀座密封压力。
Types: continuous ring disc and dense teeth welding disc.
型式：有连绩式环型切片及密式焊接切片。
Troubleshooting method is to unload the disc brake clamp 1, the friction plate 4 and 3 to remove dust ring, re-connect tubing connector;
排除故障的方法是，卸下盘式制动器夹钳1，将摩擦片4和防尘圈3取下，重新接上油管接头；
The invention provides a multi-element composite intervertebral disc prosthesis which is suitable for implanting to a cleaned intervertebral discs vertebral pulp ring.
本发明提供一种多元复合椎间盘假体，其适合植入于人脊柱中被清空的椎间盘髓核空间的环内。
Numerical results are also given for the current distribution and the far radiation patterns of a disc-ring structure.
文中还给出了当平面波正投射时，同心圆盘-圆环结构上感应电流各分量的幅度分布和散射场分布。
First check assembly O-ring, Disc holder assembly, Cover O-ring and Sensing passage O-ring.
第一止回阀总成O形环，阀瓣固定器总成，阀盖O形环和感应通道O形环。
The utility model provides a ring-type workbench for assembling and manufacturing a coal plough disc or a coal unloading disc of a coal unloader, and belongs to tooling for processing machine parts.
环式卸煤机犁煤盘、卸煤盘的拼装制作工作台，属于机械零部件加工的工 装。
The utility model relates to a multifunctional flashlight type ring; a disc-shaped base is processed on the surface of the ring;
本实用新型涉及一种多功能手电式戒指，在指环表面加工有圆盘形底座；
Disc– machined seating surface is mated to seat ring for positive shutoff.
倒棱增加物的塑造在自动制冷管的范围内、头螺栓的座套表面。
In this paper the electrochemical reduction mechanism of selenious acid(H 2SeO 3) in phosphoric acid solution was studied by rotating ring-disc electrode and cyclic voltammetry techniques.
利用旋转环-盘电极方法开结合循环伏安技术研究了磷酸溶液中亚硒酸的电化学还原机理。
Hydraulic Brake Cylinder Rubber CUP, O-RING, Dust Boot, C. V. Boot, Disc Repqir Kit, Repair Kit and Brake Hoses.
汽车制动器密封件，传动轴防尘套，汽车制动器修理包及刹车软管。
Hydraulic Brake Cylinder Rubber CUP, O-RING, Dust Boot, C. V. Boot, Disc Repqir Kit, Repair Kit and Brake Hoses.
汽车制动器密封件，传动轴防尘套，汽车制动器修理包及刹车软管。
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