【机械工程】冰生产【机械工程】冰的制造

Cleaner Production

basic production

production benefit science【工经】

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

The suggestions on intensification research efforts of bio-fuel production

preparation of originals for the photomechanical production of originals

production of fire-extinguishing substances

production of copper with ammonia, ammonia-salt solutions