?脂煤

... close breeding ==> 近交,近交繁殖,近亲繁殖 close burning coal ==> 脂煤 close business ==> 停业 ...

?炼焦煤

炼焦煤 agglomerating coal; baking coal; byerlyte; caking coal; cindery coal; close burning coal; coking coal; cokingcoal; crozzling coal; crozzlingcoal; metallurgical coal; sintering coal; soldering coal; solderingco...