常見例句The paper can be the technical support for the application of the domestic mechanized shortwall mining technology.為國產(chǎn)短壁機械化開采成套技術推廣應用提供技術支撐。This technology, being an important supplement for longwall mining technology, is called modern shortwall mechanical looping mining technology.這種技術被視為現(xiàn)代短壁機械化采煤技術，是長壁采煤技術的重要補充。 返回 shortwall