Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/13e4ddf657a73f93f1b2dd17477e77b8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 blasting supplies magazine例句_blasting supplies magazine英汉例句_blasting supplies magazine双解例句_沉淀汉英词典
The underground blasting supplies magazine is one of the important facilities, to ensure the safety production of underground mine. 井下爆炸材料库是矿井安全生产的重要保障设施之一。