圆的对称中心线就是直径。
建立了同流环境中沿射流轴线的中心线稀释的理论方程。
The theoretical equation of the centerlinedilution along the axis of jets in coflow ambient is developed.
轴、舵系镗孔前中心线定位检查。
Inspecting centerline positioning for shaft system and rudder system before boring.
稍偏中心线左（右）边50英尺。
有人答：“从草堆中心线开始找。”
"Someone replied:" From the beginning to find the centerline of haystacks.
除超车外，决不超越中心线。
检漏孔中心线应对两相邻螺柱通孔跨中。
The leak detection hole axis should pass the middle of two neighboring studs clearance holes.
它是依其中心线旋转的。
关闭件是柱塞或球，围绕本身的中心线旋转。
Turn off the prop is a plunger or a ball, rotating around its own axis.
你稍偏在中心线右面。
赫尔楼正在安装和检查调整，以中心线铅垂线。
Hull floors being fitted and checked for alignment with a centreline plumb line.
施工前放出墩身中心线和外轮廓线的准确位置。
Before the construction exact location of Central Line and external contour line of the pier is set out.
高牙尖斜度与非中心线负载可引起高应力集中。
Higher inclination of cusp and non central loading lead to higher stress.
其作用是支撑起加热器的两边，利用屋顶的尖顶支撑中心线。
This will support the heater on both sides and allow the peak of the roof to support the centerline.
沿着腿，有一个中心线，从正上方运行顶端回来。
Along the leg, there is a center line that runs from the top front to the top back.
超越车辆中心线。
重要的参考点，如胸点、前中心线、后中心线等。
Important reference points such AS the bust point, CF and CB etc.
顶点：轴承中心线和圆锥轴承滚子表面延长线的交点。
APEX : The common point on the axis of a bearing where angular lines of each of the various tapered roller surfaces meet.
你能够标示翅膀归结于包括中凸形和机翼的中心线护墙板。
You can specify wing attributes including camber and centerline sheeting of an airfoil.
旋塞和球形：关闭件是柱塞或球，围绕本身的中心线旋转。
Cock and ball: Turn off the prop is a plunger or a ball, rotating around its own axis.
这个尺寸必须至少为从阀门中心线至手轮距离长度的两倍。
This dimension must be at least twice the dimension from center line to handwheel.
手柄并不是关于中心线对称。表中的尺寸表示最大操作半径。
Handle is not symmetrical about stem centerline. Dimension shown represents the longest operational radius.
保持背部和颈部形成一条直线这样光束就能通过脊柱中心线。
Keep your back and neck aligned so the light finds its way through the core of your spinal column.
用轻细的6H铅笔线绘制主要的中心线和视图大体的轮廓框。
Draw the main center lines and block in the general outline of the views with light, sharp 6h pencil lines.
上一次遇到的警察说冈萨洛开车的时候，车轮已经触到中心线了。
Last time the cop claimed that Gonzalo's tyre had touched the centre line as he was driving.
订购时，注明描述信息和从阀门中心线至手轮的加长长度尺寸。
To order, specify description and extension length from center line of valve to handwheel.
这有助于选择最佳行驶路线，并沿车道中心线行驶安全通过弯道。
This helps you stay in a smooth line and centred in the lane throughout the curve.
提出管塔制作中钢管中心线的两种计算方法，并分析它们的适用情况。
Bring forward two ways to compute the center line of steel tube and analyze thein respectie application.
订购时，注明描述信息和从阀门中心线至手轮顶部或螺母的加长长度尺寸。
To order, specify description and extension length from center line of valve to top of handwheel or nut.
订购时，注明描述信息和从阀门中心线至手轮顶部或螺母的加长长度尺寸。
To order, specify description and extension length from center line of valve to top of handwheel or nut.
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