Terms containing step-by-step switch

Subject	English	Chinese
wind.	step by step switch	进步式开关
tech.	step-by-step switch	步进式开关
tech.	step-by-step switch	步进开关
telecom.	step-by-step switch	步进式机键
el.	step-by-step switch	步进选择器
IT	step-by-step switch	步进［式］开关
space	step-by-step switch	步进式交换机
el.	step-by-step switch	步进制交换
telecom.	step-by-step switch	步进式交换器
tech.	step-by-step switch	史端乔式开关
tech.	step-by-step switch	步进式交换
tech.	step-by-step switch	步进制开关
tech.	step-by-step switch testing equipment	步进制机键测试仪