Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/af036bc2e4f5ee2c29b2bac2fbd7f6b0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 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_按摩法牛津词典
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes. 操作空气运作轨道，旋转，向下钻孔机或其他钻探机钻爆破洞或直接钻爆破洞。