Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/f50920e56f6acc5ddbfdaa54802714cd.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 rotary air drill例句_rotary air drill英汉例句_rotary air drill双解例句_甲百匯小鸡词典
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes. 操作空氣運作軌道，鏇轉，曏下鑽孔機或其他鑽探機鑽爆破洞或直接鑽爆破洞。