【化】 工业设备\n【经】 工业设备

commercial invoice

commercial sex work

commercial exploitation

difference between commercial purchasing and price【贸易】

commercial discount【贸易】;merchandise discount【贸易】;trade discount【贸易】

uniform rules for the collection of commercial papers

peddler【贸易】;commercial traveller【贸易】;itinerant trader【贸易】

commercial