blind bore的用法和样例：
例句
- The replacement split bearings are specially produced with the appropriate lager bore tolerances to match.
替换品剖分式轴承在特殊制造时有适当较大的孔公差以便配合。 - While drilling big or deep holes, you should pull out drills regularly in order to take out scraps, do not intend to bore holes at once.
当钻大的或深的孔时，要定时的退出钻头以带出碎屑，不要总是希望一次性的钻成。
