Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/637f7712950041caf671cce001cd695f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 tamping例句_tamping英汉例句_tamping双解例句_流逝汉英词典
This article stresses on designing, arrangement of boreholes concentrated charges, bar charges, selection of blasting parameters, tamping and initating circuits. 论述了硐室爆破的设计方案，药室布置，集中药包，条形药包，爆破参数选择，装药填塞和起爆网路等。