没有磨损或破损的电线 No frayed or damaged cords
给舌头打洞装舌钉常常会导致口腔感染，牙齿的磨损与破损，或是口腔外伤。
Tongue piercings have also been associated with infections, chipped or broken teeth, and gum trauma.
刀具磨损、破损自动检测技术，在现代制造行业具有广泛的应用前景。
The automatic measuring technique of tool breakage and wear will be more and more important in production.
杂散电流泄露通常是配线系统破损或者磨损的结果，或者是由电线电气设备安装不当造成的。
Stray current leakage is usually a result of damage or wear to the wiring system or poor installation of wiring or electrical equipment.
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