This system is the optical-collimate one, with safety glazing materials fixed on the sample glass bracket from the life-size angle that can move in horizontal and vertical ways.
光学系统整体采用的是一个光学准直系统，安全玻璃以实车角度安装在试样支架上，并可以沿水平和垂直方向自由移动。
The structure and stamping technology of glass bracket were elaborated. At the same time, the blanking die, bending die for one time and bending die for two times were also introduced.
叙述了玻璃托的零件结构及成形工艺，介绍了落料压凸模、一次弯曲模和二次弯曲模的模具结构及设计要点。
Generally in the choice of glass fiber rod bracket to be based on the size and height of the proportion of the decision.
一般在选择玻璃纤维杆的支架时要根据其尺寸和高度的比例来决定的。
A new design method for pipe bracket was introduced directed towards the pipeline characteristic in glass factory. A comparison of installation way was made with other type pipelines.
针对玻璃厂的管线特点，研究了一种新型管道支架的设计方法，与其它类型的管线安装方式进行了比较。
Objective To evaluate the resin modified glass ionomer cement (RMGIC) for orthodontic bracket bonding.
目的评价树脂改良型玻璃离子粘固剂粘接正畸托槽的临床使用效果。
Objective To evaluate the resin modified glass ionomer cement (RMGIC) for orthodontic bracket bonding.
目的评价树脂改良型玻璃离子粘固剂粘接正畸托槽的临床使用效果。
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