Warning: file_put_contents(): Only 0 of 7505 bytes written, possibly out of free disk space in /www/wwwroot/ndsq.cn/index.php on line 55 Shallon是什么意思,Shallon的翻译,Shallon音标、读音、用法和例句_开心英文字典_柠咚词
Within the range of workable deepness from the shallon to the bottom,there existed a verticalzonation of bituminous coal from low rank to high rank. 在由浅到深的可采深度范围内,存在着由低级烟煤到高级烟煤构成的垂直分带。