natural gas是什么意思

用法例句

The safety is a most important issue in transportation and allocation engineering of natural gas,which is related to many special fields.

论述了安全系统的组成 ,探测仪表的选择与配置原则 ,消防装置的联动控制等工程设计问题。

On the selection of fire control water supply system of Pingyao ancient city;

平遥古城消防给水系统选择探讨

Applications of fire emergency laser-oriented unit;

消防应急激光导向器的应用技术

Real-time monitoring on the working status by the multi-level fire prevention system;

多级消防报警系统工作状态的实时监控

The application of fiber temperature-sensing detection technology in tunnel fire protection;

光纤感温探测技术在隧道消防保护中的应用

Applications of advanced materials in fire protection;

新材料在消防领域的应用

The new requirements of the technology of fire protection to the developing goal and state of the well-off-in-all-rounds society;

社会发展状态与目标对消防技术的新需求