support unit, support section
support unit, support section
[煤炭科技英汉词典]
support unit, support section架节
相对独立，且彼此结构相似的节式支架组成单元。
是什么意思，support unit, support section的解释，support unit, support section的翻译
support unit, support section
[煤炭科技英汉词典]
support unit, support section是什么意思，support unit, support section的解释，support unit, support section的翻译