Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/0d7346defd07c80c7bafd503ee60a964.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 bore-hole例句_bore-hole英汉例句_bore-hole双解例句_沉淀汉英词典
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。