The end of diameter plate moves along the circumference trace and its circle center is fixed.
划圆是通过直径片的端点沿圆周轨迹转动，其圆心的位置是固定的原理而实现的。
Said diameter plate composed of two pieces is installed in the slot on inner side of compasses' disk. The slide valve and turning handle are on the diameter plate for drawing circle precisely.
圆规盘内侧壁设计了直径片转动槽，直径片分两片组装进入转动槽，直径片上设计有滑动阀与转动柄，从而达到精确划圆的目的。
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。
The ejector plate assembly's movement effectively withdraws the central mandrel from the collapsible sleeve, thereby causing it to contract in diameter.
顶出板组件的运动有力地把实体新棒从环形套管拉出，因此使环形套管在直径上收缩。
The particle diameter selection then depends on the porosity, pressure drops, and plate strength.
合适颗粒直径的选择与孔隙率、压降和强度的要求有关。
Therefore there are some demands set for the small hole diameter and thickness of the perforated plate.
因此，对小孔直径、穿孔板厚度都有一定要求。
The piezo aerosol apparatus generally defines a non-symmetric compound, while the ultrasonic atomizer comprises a piezo component and metal plate of substantially the same diameter in length.
压电雾化装置通常限定非对称的组合件，而超声雾化装置包括在长度上基本一样直径的压电部件和金属板。
Plate connected with electric control valve which had large drift diameter, have three -position valve function.
板式连接大通径电控换向阀，有三位阀功能。
The valve should be kept in ventilated dry the whole warehouse is strictly prohibited, or stacked in open storage, the valve plate diameter at both ends of the need to plug.
阀门应整体的存放在通风干燥库房内，严禁堆置或露天存放，阀门通径两端需板堵塞。
The original design of valve plate to open the gas valve is hanging in the channel, the possession of an effective diameter about 20%.
而原设计阀板打开是悬于阀体的气体通道内，占有有效通径20%左右。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
The sub plate was then supported at one end by a vertical 10-inch diameter rotary table and at the opposite end by an outboard bearing support.
附属盘子然后支持在一末端在一条垂直的10英寸的直径以前旋转的桌子和在由外置轴承支持引起的相反的结局。
This paper introduces application technique and performance test of powder coating in experimental production for large - diameter steel plate - welded pipe.
主要介绍大直径钢板焊接钢管涂敷环氧粉末涂层实验性生产中的施工技术及涂层性能测试。
The results indicated that the bolt number, bolt diameter and end-plate thickness all affected the limited capacity of joints to some degree.
结果螺栓数目、螺栓直径以及端板厚度对节点极限承载力都有不同程度的影响。
By adjusting the plate, the device is able to regulate the downburst parameters, such as the wind intensity, diameter, jet height, inclination Angle.
通过调节平板，该装置能够同时改变冲击风强度、直径、射流高度、入射倾角等冲击风参数。
The size of the hole away from the plate edge should be not less than 40 mm, all the hole diameter should be greater than the bolt diameter, heat bilges cold shrink to fit the board.
孔离板材边缘的尺寸应不少于40mm，所有钻孔直径应大于螺栓直径，以适应板的热胀冷缩。
The diameter of post is 54MM, and with special designed needle plate suitable for stitching the small-curved portion.
釜座直径为54MM，且采用特殊设计的针板，可适用于缝制具有小曲度的物品；
The experimental results show that acoustic resistance of perforated plate is related to plate thickness, aperture diameter, numbers of aperture, acoustic frequency and airflow velocity.
研究表明：穿孔板的声阻与孔板厚度、孔径、穿孔数目、声波频率和气流速度等因素有关。
It is consisted of rotor with saw-shaped blades on periphery, rotating flow passage lateral plate and a diameter-equivalent stator.
它由一种圆周上具有锯齿形叶片的转子、一同旋转的流道侧板和等直径的定 子构成；
For the production of various types of alloy structural parts and components, such as the power station boiler superheated header, large diameter tube plate Structure.
用于制作各类合金结构件及其零部件，如电站锅炉过热器集箱、大口径管板结构件。
The butterfly valve butterfly plate installed in pipeline diameter direction.
蝶阀，可以安装在任一个方向上。
The butterfly valve butterfly plate installed in pipeline diameter direction.
蝶阀，可以安装在任一个方向上。
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