My computer keyboard didn't work yesterday, I couldn't type even a single letter. After a percussive maintenance, it worked like a newly-bought.
昨天我的电脑键盘坏了，连一个字母都打不出来。我给敲打了一下，然后就跟新买的一样好用了。
Percussive maintenance refers the use of physical concussion, a knock or a tap, in an attempt to make a malfunctioning device work instead of asking for professional help.
“敲打式维护”指设备有故障的时候，不找专门的维护人员，而是用敲打的方式让其恢复运转。
Percussive maintenance refers the use? Of physical concussion, a knock or a tap, in an attempt to make a malfunctioning device work instead of asking for professional help.
“敲打式维护”指设备有故障的时候，不找专门的维护人员，而是用敲打的方式让其恢复运转。
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