4 the decision method about the thermoeconomic life of piping insulation equipment has been proposed 提出了管网系统保温设施热经济寿命的决策方法。
Living area of dense population . it can greatly reduce the investment of equipment and cable , 生活区等地下电缆分接网系统，可大大节省设备和电缆的投资，
Since it is difficult to model an accurate irrigation network system , its time lag takes place severely 由于喷灌灌网系统难以准确建模，系统时滞严重。
The hydraulic balance investigation on the air - conditioning piping system of the pudong airport terminal building 浦东机场航站楼空调管网系统水力平衡研究
The valve will shut off automatically for safety if any abnormal pressure - reverse happens 如若阀压管路内介质出现异常反压现象时，本阀将自动关闭，保护管网系统安全。
Therefore , designing a logical and efficent scp overload control algrithm seems very necessary 因此,为这种完全分布式智能网系统设计一套合理、高效的scp过载控制算法就显得十分必要。
Isn is made up of several sub - network systems , but transportation and communication sub - network system are the main composition 保障网络包括多个子网系统，但是主要是交通运输和通信子网。
Numerous jet fuel monitoring facilities for buried double wall pipe systems dating from the late 1980 ’ s to the present 从80年代末到现在，我们给无数的军用机场燃料监控系统埋设双重地下管网系统。
The evolution of the ip man involves expansion of bandwidth and coverage of services , and capacity expansion of the nodes Ip城域网的演进包括ip城域网系统带宽扩容；增加业务覆盖范围； ip城域网节点扩容。
Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters , pipe lines in nets and tanks 三相并联带一般适用于大管径，管网系统管线和罐体的伴热保温。
