incorrect manipulation

基本解釋

As a conventional clinical manipulation, patients underwent indwelling urinary catheter were prone to get urinary system infection because of incorrect handling.
留置導(dǎo)尿是臨床上一項(xiàng)常規(guī)操作，但如果操作不當(dāng)，易引起泌尿系感染。
The invention is characterized in that the socket and the plug can be tightly jointed to improve the joint strength and avoid incorrect manipulation of positive-negative power supply can be avoided.
本發(fā)明可使插頭與插座緊固聯(lián)接，提高聯(lián)接強(qiáng)度及避免正負(fù)電源誤操作。
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