Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/2e9e439d3b8dc3337d47132ce79d3442.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 hazard assessment study例句_hazard assessment study英汉例句_hazard assessment study双解例句_食材铺反向词典
The new assessment method is put forward and then its math model is established through the study on the major hazard assessment technology. 对重大危险源评价技术研究，提出新的评价方法并建立其数学模型。