阐述了DMA技术方法和分区装表计量的管网夜间流量与管网漏损的关系，介绍了DMA技术的应用技术路线和实施方案。
The DMA technology and the relationship between flow and leakage of pipeline network measured at night are described. The application and execution of DMA technology are also introduced.
循环水泵的进水管和出水管上也应装压力表。
Circulating water pump inlet pipe and outlet pipe should also install pressure gauge.
这种低空高射武器系统应具备自动搜索、自动跟踪、自动装表及智能控制射击等功能。
This system has many functions: automatic searching, automatic tracking, automatic calibration and intellectualized shoot control.
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