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- The duration with removable screw expansion mechanics was about 6 months on average while the duration with Edgewise appliances was about 1 to 2 years. 结果16例上颌牙弓均得到了不同程度的扩大,同时除2例以外,14例下颌牙弓也随之扩大。
- screw expansion mechanic 螺旋扩弓器
- screw expansion power generation 螺杆膨胀动力发电
- Based on the expansion mechanism of UML, AOM is researched and applied to the distributed system which containingmany cross concerns discussed later. 基于统一建模语言UML的扩展机制,对AOSD建模(AOM)进行了研究,并利用一个分布式系统的AOM进行了实际应用。
- The formation and expansion mechanism of ettringite formed in the systems of different mineral composi-tions has been investigated with SEM. 本文利用扫描电镜观察了在具有不同矿物组成的系统中生成的钙矾石的形成与膨胀机理。
- The expansion mechanism of hardened cement paste with double expansion sources of entringite and brucite was studied by using theory of fractal geometry and viscoelasticity. 应用分形学与粘弹性力学对含钙矾石和水镁石膨胀源的水泥硬化浆体的膨胀机理进行了研究与分析。
- The expansion mechanism of hydroxide expanding phase for oil well cement slurry are discussed on the basis of principle of chemical thermodynamics and topochemical reaction model. 要基于膨胀剂原地反应模型和化学热力学原理，讨论了晶体生长压的源动力及水泥浆体体积膨胀与结晶压的关系。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- The mechanic was at work on your bicycle then. 当时修理工在修理你的自行车。
- Metals undergo expansion when heated. 金属加热时会膨胀。
- The taste of the lemon made her screw up her face. 柠檬把她酸得龇牙咧嘴。
- The mechanic checked out the car battery. 汽车修理工检验了汽车里的电池。
- Does this lid screw on, or does one press it down? 这个盖子是拧的还是按的?
- He's neither an electrician nor a mechanic. 他既不是电工也不是技工。
- Turn the screw to the right to tighten it. 将螺钉向右旋紧。
- That young man is a motor mechanic. 那个年轻人是一个汽车修理工。
- expansion mechanism and decision 扩张机制与决策
- They tried to screw money out of me. 他们试图勒索我的钱。
- At each turn the screw goes in further. 每一次旋转都使螺丝钉更向里进。
