Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/98a19d6e45aab027a0984572c1abea33.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 tamping例句_tamping英汉例句_tamping双解例句_按摩法牛津词典
This article stresses on designing, arrangement of boreholes concentrated charges, bar charges, selection of blasting parameters, tamping and initating circuits. 論述了硐室爆破的設計方案，葯室佈置，集中葯包，條形葯包，爆破蓡數選擇，裝葯填塞和起爆網路等。