self cleaning contact

机械专业英语词汇... ... self-cleaning 自动清洗，自动清灰 self-cleaning contact 自清洁触头 self-cleaning grate 自清灰炉排 ...

机械英汉词典... ... self-checking system 自校验系统 self-cleaning contact 自清洁触点 self-clearing car 自卸车，自卸式车 ...