1·To prefabricate box-girder is important in concrete cable-stayed bridge construction, it affects directly the main bridge construction of assembly progress and packing accuracy.
箱梁的预制是钢筋混凝土斜拉桥施工中的重要环节，它直接影响到主桥施工的吊装进度和拼装精度。
2·Easily installed, no need basis etc. prefabricate assembly.
压缩机的安装简便，无需基础等预制装配。
3·To investigate a new type of low stress precision cropping system, it is necessary to obtain the feasibility that the heat stress was used to prefabricate the ideal crack of V-shaped notch tip.
针对研究新型低应力精密下料系统时，需要获得热应力预制V型槽尖端理想裂纹方法的有效性问题。
4·The author analysis and discusses induction quenching process used in the process of the thermal treatment for the prefabricate fragment projectile body.
分析了预制碎片弹弹体在热处理过程中采用的感应淬火工艺。
5·Suitable for circuitry of elevator traveling hoist way machine car prefabricate cable of rated voltage 300/500V A C as well as below It is halogen free flame retardant and low smoke.
本产品不仅具有阻燃性，而且兼具低发烟性和无公害性适用于交流额定电压300／500V及以下电梯随动、井道，机房、轿厢预制电缆及其它控制线路用。