completely decomposed volcanic rock是什么意思

用法例句

Implementation of information system security risk model to Managemeat Information System at Zhengzhou North;

安全风险模型在郑州北车站管理信息系统中的应用

Network information security risks and defence in MIS;

MIS中的信息安全风险与防范

Research on security risk of physical isolate network;

物理隔离网络的安全风险研究

Analysis on safety risk and demand of network information;

网络信息安全风险及需求分析

The paper describes the risk features of dangerous cargo,analyzes the safety risk factors in the process of dangerous cargo transport and discusses the countermeasuresfor risk management of dangerous cargo logistics.

论述了危险品的风险特性,分析了危险品物流过程中的安全风险因素,对危险品物流安全风险管理的基本对策进行了探讨。

On the basis of identifying and analyzing the main safety risks of hazardous chemicals supply chain,the measures of prevention and control are proposed.

指出了危险化学品物流的重要性与特殊性,对危险化学品供应链安全风险管理进行了定义。

New method of drawing out gas before the roadway threaded together -full air pressure drill draw method;

巷道贯通前排放瓦斯新方法——全风压钻孔排放法

The paper studied the completely-weathered and highly-weathered granite in the deep and thick stratum in the foundation of a great hydr.

文章对西南某大型水电站坝址区深厚层全风化和强风化花岗岩进行研究。