back-off operation

基本解释

Unstuck tech by Jar and back-off are utilized in two wells and succeed which has a guiding sense to operation and work-o.
该两口井采用震击器震击解卡工艺和倒扣解卡工艺处理卡钻事故，获得成功，对水平井井下作业和水平井修井具有一定指导意义。
After the engine is started and kye is set back to ON, to switch off the circuit of the starter, and to prevent mis-operation(multi-functional type)
发动机正常工作后且钥匙回到ON档后，切断起动机电路，防止误操作（多功能型）
Because the base station power amplifiers have a low efficiency due to the back-off operation, efficiency enhancement techniques become very important.
但由于基站功放工作在一个很深的回退状态，功放效率增强技术就变得非常重要。