The paper presents designing principle, structure characteristic and construction technology of bed rock bench marks.
本文介绍其设计原理、结构特点与施工技术。
Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.
通过对MG 150pw极薄煤层采煤机的参数、结构设计原理进行分析，论述在极薄煤层开采中的发展前景。
This paper introduces the construction of the support, major technical parameters, working principle, designing characters and use of fundamental the units.
介绍了液压联接式悬移支架的结构、主要技术参数、工作原理及各主要部件的设计特点和应用情况。
This paper approaches the principle of designing the education -evaluating index, the construction of weight set, the comprehensive evaluation, and the quality analysis of the result of evaluation.
本文探讨了教育评价的指标系统设计的原则，权集的构造，综合评价，评价结果的质量分析问题。
The designing principle, construction and realizing method of a portable and high accurate soil nutrient photoelectric colorimeter are described.
介绍了一种便携式高精度土壤养分光电比色仪的结构、工作原理和实现方法。
In this paper, necessity and aim of researching and designing this testing platform are firstly discussed, followed by the introduction of general construction and working principle.
本论文首先分析了研究和设计该通用测试平台的目的和必要性，然后介绍了测试平台的总体构成及其工作原理。
In this paper, necessity and aim of researching and designing this testing platform are firstly discussed, followed by the introduction of general construction and working principle.
本论文首先分析了研究和设计该通用测试平台的目的和必要性，然后介绍了测试平台的总体构成及其工作原理。
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