?对熔接
电机工程专业英语词汇翻译 ... 忙音 busy tone; BT 对（头）熔接 busy welding 蝶形（调谐）电路 butterfly circuit ...
Outside, everyone looks busy, from elderly ladies selling socks to young men welding pipes and repairing used electronics.
BBC: Reliving Shanghai??s 1930s past
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。