例句與造句

1. At Jones & Laughlin in the 1970s, he tried to improve productivity, almost always measured in man hours per ton, by negotiating reductions in work crews.
2. At Jones & AMP; Laughlin in the 1970s, he tried to improve productivity, almost always measured in man hours per ton, by negotiating reductions in work crews.
3. Throughout the plant, in supervisors'offices and on bulletin boards, next to production charts and union memos, is posted in big orange letters : REDUCE MAN HOURS PER TON ."
4. It's difficult to find man hours per ton in a sentence. 用man hours per ton造句挺難的