cannel coal 长焰煤 ; 烛媒
cannel shale [地质] 烛煤页岩 ; 粗油页岩 ; 腐植页岩
algal cannel 藻烛煤 ; 藻蚀煤
Boghead Cannel 沼油页岩 ; 藻烛煤
cannel test 成沟试验
semi-cannel coal 瘦烛煤 ; 半烛煤
boghead cannel shale [地质] 沼油页岩
cannel boghead 烛藻煤
N a dull coal having a high volatile content and burning with a smoky luminous flame 烛煤
应用推荐