【机械工程】雪产品，雪橇痕迹，滑雪道

igh in both output and quality, but low in production cost

pilot production

Sterilization Water Production Device

per capita output【统计】;per capita production level【统计】

marginal production【经】

The suggestions on intensification research efforts of bio-fuel production

bottom-up parsing in production language【计】

intensive margin of production【工经】