ballast operation

常见例句

The design features and working principle were introduced in the article. The railway stability after the ballast cleaning operation was analyzed.
介绍了该机的主要结构特点和工作原理，并对清筛作业后的轨道稳定性进行了分析。
This article are going to introduce the configuration and theory of the electronic ballast, six operation stage in lighting a lamp, and tell some question will meet in the study.
该文将介绍氙气灯的发光原理，具体的点灯过程，并阐述了氙气灯镇流器研究面临的几个问题。
Finally introduced including the main control console, the ballast work interface operation through the operating instructions of some pumps and valve which used during exploiting the software.
最后通过对软件开发过程中所用到的一些泵、阀等的使用说明来介绍包括主控制台、压载作业在内的界面操作。