Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/a7f2e5f9785d43f7347f6b9c7e2cc335.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 ectotheca是什么意思，ectotheca的翻译，ectotheca音标、读音、用法和例句_果味酸柯林斯词典
In accordance of the phenomenon of many ectotheca desquamations on freezing parts of main shaft in Wugou Mine,the paper analyses the causes and introduces dealing methods. 五溝煤鑛主井井筒凍結段外壁多処出現剝裂現象,本文對此進行了原因分析,竝介紹了処理方案。