晶闸管模块无触点开关
thyristor moduled contactless switches
无触点开关装置
contactless switching device
新型无触点较开关
A new contactless soft switch
新型无触点接近开关
The New Type of un-touching Approach Switch
粉末无触点涂装
powder non-contact coating
无触点式点火系统
breakless ignition system
无触点式调压器
contactless type voltage regulator
无触点控制龙门刨床
contactless controlled double housing planer
无触点式振动铃
contactless-vibrating bell
无触点有载调压
no-contact on-load voltage regulator