partings相关论文
使用辞别语应区分对象和场合。在比较正式的场合下,一般不宜使用“Bye-bye!”“Bye!”“so Iong!”等。当客人向主人告别时,得感......
Geochemistry of Sulfur and Hazardous Elements in Late Paleozoic Coals and Partings from Taozao Coalf
本文通过对荣华二采区10...
Geochemistry of Sulfur and Hazardous Elements in Late Paleozoic Coals and Partings from Taozao Coalf
The analyses of different sulfur forms, the trace elements in pyrites using electron microprobe and the trace elements i......
