Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/35383a7e9c28b49d8e5e249c8da0ffd3.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 Seedrin例句_Seedrin英汉例句_Seedrin双解例句_2020年的事情英文词典
The method of oxygen steel bomb to determine chlorine in coal is studied in this paper and it is compared with Seedrin method. 用氧弹法测煤中的氯,取样量少;比较艾氏剂法测煤中氯简便快速,结果满意;对单个或少数样品,优点更为突出。