back to back angles是什么意思、英文翻译及中文解释 本文已影响 388人 back to back angles 词语: back to back angles解释: 背靠背拼合角钢词性: 名词词典: 航海专业英汉词典 back to back angles 相关解释 back to back angles 〔名词〕T形组合角钢 back to back angles 〔名词〕T形组合角钢 背靠背拼合角钢 back to back angles