Experiment and analysis were set for retarder, and retarding plasticizers were matched to analyze the concrete performance.
对缓凝剂进行试验和分析，并配置缓凝型减水剂，对混凝土的性能进行分析。
The paper introduces the field performance of a new kind of oil well cement retarder QR-300C, and its application in production string cementing on three deep exploratory Wells at Tuha oil field.
介绍了一种新型油井水泥缓凝剂QR- 300c的应用性能和在吐哈地区3口深探井油层套管固井中的应用情况。
In this paper, the study on the performance of s type retarder of plaster was made.
本文对S型石膏缓凝剂的性能进行了研究。
Locked stop wagon retarder for high speed running is a new product, this paper mainly introduces its performance, application and the method of retarders layout.
高速锁闭停车顶是一种新产品，这里重点介绍它的性能、应用及布顶方法。
This paper describes the principle and performance of several kinds of electronic control systems used in buses, such as cruise control system, electromagnetic retarder and global position system.
叙述客车上常用的几种电子控制系统，如巡航控制、电涡流缓速器、全球定位系统的性能特点及工作原理。
This paper describes the principle and performance of several kinds of electronic control systems used in buses, such as cruise control system, electromagnetic retarder and global position system.
叙述客车上常用的几种电子控制系统，如巡航控制、电涡流缓速器、全球定位系统的性能特点及工作原理。
应用推荐