1.
Study on an Auto-cascade Refrigerating System with Natural Refrigerant Mixtures;
天然工质应用于自行复叠制冷系统的研究
2.
Academic Analysis and Experimental Study of the Reverse-Brayton Cycle with Binary Natural Refrigerants and Liquid-suction Heat Exchanger;
二元天然工质回热式逆向布雷顿循环的理论分析和实验研究
3.
Experimental Study on Heat Transfer Characteristics of Thermal Syphon under Different Natural Working Fluid;
CPU重力热管使用不同天然工质时的传热特性实验研究
4.
DEVELOPMENT OF GEOLOGICAL THEORY AND INDUSTRY FOR NATURAL GASES IN CHINA;
我国天然气地质理论与天然气工业的发展
5.
Controlling Requirements & Quality Monitoring on Steel Natural Gas Line Construction
钢质天然气管道工程施工控制要求和质量监督
6.
Raw materials are the natural substances from which industrial products are made.
原材料指用以生产工业品的天然物质。
7.
Quality Control Links of Natural Gas Construction Projects;
天然气工程建设质量控制的几大环节
8.
The Controlling Measures for Constructional Quality of Stone Pain
外墙天然真石漆的施工质量控制措施
9.
A substance, especially petroleum, in its unrefined state.
天然物质处于未加工状态的物质，尤指原油
10.
Present Situation of Quality of NR Primary Processing Machines and Solutions to Their Problems
天然橡胶初加工机械质量现状分析及其对策
11.
Analysis on Code for Quality Acceptance of Oil and Gas Construction Engineering and Its Implementation Status
对《石油天然气建设工程施工质量验收规范通则》的分析和探讨
12.
native asphaltic pyrobitume
天然地沥青质焦沥青
13.
original gas in place
原始天然气地质储量
14.
Their by-product after oil refining can be used as the source of natural antioxidants.
它们的加工副产物可作为天然抗氧化物质的来源加以开发应用。
15.
The Constructing Project Quality Management Research of the Shaanxi Natural Gas Co. Ltd.;
陕西省天然气股份有限公司工程项目质量管理研究
16.
Application of Quality Reliability Technology in China s Oil and Gas Industry:Effects and Problems;
石油天然气行业推广应用质量可靠性工程技术的成效与问题
17.
Characteristics of Vegetation under Trees-Layers and Soil Physicochemical Polarization of Different Natural and Planted Pure Forests in Arid Region of Shaanxi-Innermongolia
陕蒙旱区人工及天然纯林林下植被特征及土壤理化性质极化
18.
Characteristics of Biochemistry Nature and Its Spatial Variation of Soil in Artificial and Natural Pure Forests in Arid Region from Shaanxi to Inner Mongolia
陕蒙旱区人工及天然林土壤生物化学性质及其空间变异规律研究