bit breakage

基本解釋

Not sure what the damage would have been if the spokes were a bit looser, probably more rim damage and less spoke breakage.
不知道什麼是破壞本來如果輻條得有點松散，可能是更邊緣斷裂破壞和少說話。
blog.sina.com.cn
The drill bit is a direct tool for rock breakage. The rate of penetration is closely related with the drill bit as well as the mechanical properties of the rocks.
鑽頭是直接破碎井底巖石的工具，鑽井速度的快慢不僅與鑽頭有關(guān)，而且與所鑽巖石的力學(xué)性質(zhì)密切相關(guān)。
lib.swpu.edu.cn
It should be pointed out that upgrading the strength of materials to resist multi-shock fatigue is an effective approach to reduce the socket-breakage rate as well as to improve bit's service life.
竝指出，提高材料抗多沖疲勞的強度將是減少釺頭斷褲率，延長其使用壽命的有傚途逕。