Dynamics model of secondary lateral stopping block of vehicle;
机车车辆二系横向止挡动力学模型
Through an engineering practice, this paper presented the techniques of headframe lifting, and discussed a series of problems occurred in the process of headframe lifting.
通过实际工程实例,对井架的起吊工艺进行了有针对性的叙述;同时,对起吊过程中出现的一系列问题,做出了积极的讨论。
Based on thinking over the extension of the slings and the hooks movement,We put forward the precise calculation method of the internal force of the slings and the status of the lifting hooks when lifting heavy eccentricity object using the double lifting hooks.
本文在考虑吊钩受力后吊索伸长、吊钩运动的基础上 ,提出了采用双钩吊钩起吊大型偏心重件时吊索内力及吊钩状态计算的精确方法 ,为吊装方案的设计提供了可靠的依据 ,并且分析了不同偏心大小和不同吊索长度时不考虑吊索伸长对吊索内力的影响。
The article introduces a basic analytic method of force condition of a water cooled wall of large capacity boiler when it is lifting.
介绍一种对大型锅炉水冷壁起吊受力状态分析计算的基本力学分析方法。
The stream was dammed up to form ornamental lakes.
溪流用水坝拦挡起来,形成了装饰性的湖泊。
They had erected the barriers to hold back the blood.
他们筑起屏障阻挡洪水。
a panel to protect people from splashing water or mud etc..
挡住溅起的水或泥等的一种防护板。
constructed so as to tip up or out of the way.
制造成可以一边翘起、不挡道的形式。
others made small mud embankments, to stem the wine as it ran;
有的用泥砌起了堤防，挡住了酒；
A screen for protection against the wind.
风挡用于防风起保护作用的屏障
Dantès turned and perceived that they had got out to sea.
一片隆起的高地挡住了那灯光。
She put up her hand to screen her eyes from the sun.
她举起手挡住直射眼睛的太阳光。
a broad plank along a gunwale to keep water from splashing over the side.
沿船舷上缘挡住两边溅起的水的板子。
He raised his arm to protect his face from the blow.
他抬起胳膊挡住脸，以防挨打。
He flung up an arm to ward off the blow.
他迅速抬起手臂挡开这一击。
"But he did stand up to the Yankees, you ignorant child.
"傻孩子，他何尝没有起来挡住北方佬呀？
She raised her hand to shade her eyes from the sun.
她抬起手遮住眼睛上方以挡住阳光。
Auto Gearshift Design of 7500 ton Floating Crane Hoisting Mechanism
7500t浮吊起升机构自动换挡装置设计
Simulation on dynamical properties of transmission system regarding perse starting gears of wet gear-shifting clutch
湿式换挡离合器在不同起步挡位对传动系统动态特性影响的仿真
With aid of a helper, position windshield over windshield openinAlign reference marks at bottom of windshield to support spacers.
同助手一起将挡风玻璃放置在挡风玻璃开口上。对准挡风玻璃底部至支撑隔环的参考记号。
The desire to be re-elected exercises a strong brake on independent courage.
连任的欲望对独立的勇气激起强烈阻挡。
synchronizes sound and picture; boards held in front of a movie camera are banged together.
声音和图象同步；摄影机前同时举起的挡板。