英语 ⇄ 俄语 +

design category 强调
一般	группа исполнения (All structures in Seismic Design Category B can be designed using the ELF technique and it is the method most commonly used in this design category. Alexander Demidov)

design categories : 4 短语, 3 学科

一般	2
建造	1
能源行业	1