支柱产业

mainstay industry

surname Zhi

to support / to sustain / to erect / to raise / branch / division / to draw money / classifier for rods such as pens and guns, for army divisions and for songs or compositions

mainstay / pillar / prop / backbone

pillar / CL:根[gen1]

to give birth / to reproduce / to produce / product / resource / estate / property

industry / estate / property / industrial

surname Ye

line of business / industry / occupation / job / employment / school studies / enterprise / property / (Buddhism) karma / deed / to engage in / already