When the protruding positive pole contacts the batterycontact elastic piece, the protruding positive pole will contact the contact piece.
当电池的凸出正极接触电池接触弹片时，凸出正极会接触到接触片。
2
Now, engineers at Microsoft have developed a mechanical batterycontact system that should ensure that, in the future, such scenarios never take place again.
现在，微软的工程人员开发了一个电池接触器系统机械装置可以确保以后这样的情形不会再发生。
3
They expected the flight to last five hours, but soon lost contact with it, fearing that the low temperatures had frozen the phone's battery.