In the process of developing submarine cable laying installation for Shengli Oil Field, a certain problem has occurred with overcurrent tripping during switching on of step up transformer.
在为胜利油田研制海底电缆铺设装置过程中，曾发生升压变压器合闸时过电流跳闸问题。
For laying indoors, in trenches, in ducts and down well , able tobear heavier pulling force, andfor fixed installation.
敷设在室内、电缆沟、管道、竖井等能承受较大机械拉力等固定场合。
During installation, the cable can be laid entirely, thus lowering the labor intensity of installation and reducing the space occupied by laying.
安装时，采用一整根电缆敷设，减轻了安装的劳动强度，减小了敷设所占用的空间。
As the environment condition is very unfavorable and the installation method of pipeline is unique laying method, the insulated layer load condition is complex.
由于海底管道海底恶劣的环境条件以及海底管线独特的铺设方法，保温材料的受力条件复杂，本课题对其力学特性进行了深入研究。
Among them, the hardware design including network topology design, hardware installation environment, power systems, and cable laying.
其中，硬件设计包括网络拓扑结构设计、硬件设备的中国呼吸治疗安装环境、电源系统和线缆布放。
The installation, use and design and laying of circuit and pipes must conform to relevant technical regulations on fire control.
对消防工作，应当加强科学研究，推广、使用先进消防技术、消防设备。
The installation, use and design and laying of circuit and pipes must conform to relevant technical regulations on fire control.
对消防工作，应当加强科学研究，推广、使用先进消防技术、消防设备。
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