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- In the present paper, with the aid of universal material test machine and split Hopkinson press bar, a relative simple testing method has been established for the testing of dynamic plane strain fracture toughness in concrete. 本文利用万能材料实验机和霍普金森压杆实验装置,建立了一套测定混凝土材料动态平面应变断裂韧性的较为简单的实验方法。
- While coater press bar is installed in the gelatinize computer, used to replace the traditional gravity press roll are supported by a group has the pressure equalization of elastic compression. 而涂胶机触压棒是安装在涂胶机上，用来代替传统的重力压辊，并由一组具有压力均衡的弹力压片所组成。
- The test shows that double press bar top pin in back zone draft set has bigger control of slivers in back zone,and can enhance back zone draft ability of spinning frame,increase draft multip... 结果表明:后区附双根压力棒新型上销牵伸装置对后牵伸区须条的控制增强,可以提高细纱机的后区牵伸能力,增大总牵伸倍数,有利于细号纱纺纱质量的提高。
- top apron cradle with double press bar 双压力棒上销
- top cradle with press bar in rear section 后区压力棒上销
- top cradle with press bar in the rear section 后区压力棒上销
- A traditional Split Hopkinson Press Bars (SHPB) device is adjusted and applied to study the impact buckling and postbuckling of elastic bars. 对传统的霍普金森压杆装置（SHPB）进行改进，用于研究弹性直杆的动态屈曲与后屈曲，并且分析了影响实验精度的因素。
- He locked the door and pressed the bolt home. 他锁上房门，并插好插销。
- The main parts such as axles, squeezer, pressing bar and gear are made of advanced alloy steel which has been handled by hardening and can be used everlasting even though in the condition of high temperature and friction consumption all day and all night. 本机主轴、榨螺、榨条、齿轮等主要零件，均系优质合金钢制造，并经过硬化处理，虽日夜处于高温与摩擦耗损情况下，均能经久耐用。
- He pressed the knob and the lid flew open. 他揿了揿按钮，盖子就猛地弹开了。
- He pressed lightly on the handle. 他轻轻按下手柄。
- He pressed the button to call the lift. 他按键招呼电梯。
- The child pressed her nose against the window. 那小女孩把鼻子贴在窗户上。
- Recent reports in the press have been hotly denied. 有关方面极力否认新闻界最近的报道。
- I had to give a speech to the press club. 我得向记者俱乐部发表演说。
- All possible techniques are pressed into service. 所有可能用得上的技术都被利用了。
- He pressed the release to open the box. 他按下开启装置打开了箱子。
- The mass of faces pressed closer. Walling him in. 许许多面孔越来越逼近，把他团团围住。
- The problem pressed for solution. 那问题迫切需要解决。
- He pressed the shutter when she smiled. 她微笑时，他按下快门。
