Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/645cea7b56dc45da13a89f8aeca8041b.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 air-track drill是什么意思，air-track drill的翻译，air-track drill音标、读音、用法和例句_橘子化妆朗文词典
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。