Pre-control means the control of the project preparation stage, mid-control is the control of the construction process, after control means after the end of the project quality control.
事前控制是指对工程准备阶段的控制，事中控制是指对工程施工过程的控制，事后控制是指工程结束后质量的控制。
This paper introduce the many kinds of thread joint pre-tightening up force control method and against loose measure, elaborates the solution thread joint quality method.
文章介绍了多种螺纹联接的预紧力控制方法和防松措施，从多方面针对性的阐述了解决螺纹联接质量的方法。
The construction plan, process flow, construction method, pre control of jacking quality and matters need attention are elaborated in detail.
并对其施工方案、工艺流程、施工方法、顶进质量的预控和安全注意事项作了详细的阐述。
This article briefly introduces the general pre-treatment technological process of bus painting, emphatically analyses the control elements which effect pre-treatment quality.
简要介绍客车涂装前处理的一般工艺流程，重点分析影响前处理质量的主要控制要素。
Through engineering practice and theoretical analysis, the key points of quality and safe control in bonded post-tensioned pre-stressed concrete construction was presented in this paper.
本文通过工程和理论总结概述了后张有粘结预应力混凝土施工中质量与安全控制的要点。
The whole process of supervision is the quality of a project control things in pre-control, mid-control and after control.
全过程监理是对某项工程质量的事前控制、事中控制、事后控制。
The results of the paper is beneficial to improve the assembling quality of main reducer and to control pre-tighten purpose of the axle.
本文结果有益于提高主减速器装配质量和控制轴承预紧效果。
The results of the paper is beneficial to improve the assembling quality of main reducer and to control pre-tighten purpose of the axle.
本文结果有益于提高主减速器装配质量和控制轴承预紧效果。
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