tailoff meaning in English

发动机并闭
关闭发动机
推力消失段

This product is a type of professional handset infrared rays used thermometer , not need to touch with testing object , with facility - using , stability - design , exactitude - measurement , wide - measuring range . it has laser ranging , apheliotropic display , automatic numerical reading lock - in and automatic tailoff
手持式红外线本产品是一种专业型的手持式非接触红外线测温仪，使用简易，设计坚实，测量准确度高，测温量程范围宽等特点。