under voltage tri ing relay under voltage tripping relay
Related Translations:
扣: Ⅰ动词1.(套住或搭住) button up; buckle 短语和例子把门扣上 latch [bolt] the door; 把皮带扣上 buckle a belt; 把衣服扣上 button (up) one's coat; 扣钮扣 do up the buttons2.(把有口的器物倒过来或罩在别的东西上) place a cup, bowl etc. upside
