... 底碴subballast 道床厚度thickness of ballast bed;depth of ballast 道床宽度width of ballast bed ...
基于50个网页-相关网页
depth of which ballast screened 清筛道碴之深度
The thesis presents a design program of the quick-start controller with electronic ballast, and the more in-depth theoretical analysis is finished.
本文提出了一种采用电子镇流器的快启控制器的设计方案，并进行了较为深入的理论分析。
Study on in-depth treatment of dirty ballast water from oil tankers by ozone oxidation;
臭氧氧化作为一种有效的深度处理技术，对难降解有机废水具有良好的降解功效。
应用推荐