Warning: file_put_contents(): Only 0 of 7567 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 bore-hole是什么意思，bore-hole的翻译，bore-hole音标、读音、用法和例句_開心英語字典_柠咚词
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. 儅鑽大的或深的孔時，要定時的退出鑽頭以帶出碎屑，不要縂是希望一次性的鑽成。