骨干 gǔgàn HSK7 backbone Origin Definitions Defs Strokes Stroke Words Sentences Sents 骨干企业 gǔgànqǐyè key enterprise a core enterprise or backbone industry that plays a leading role in an economy or sector骨干网路 gǔgànwǎnglù backbone network The core part of a computer network that connects various smaller networks together