Manit
(=man minutes)每人每分钟所做的工作, 人分
🗣️ 情景例句
Money can't buy happiness, believe me.
金钱买不到幸福，相信我。
Seldom seen, soon forgotten.
见得少，忘得快。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。