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twenty-one。twenty-five.forty-three dollars and twenty-five cents (shortened to "forty-three twenty-five" in everyday speech)Years that have just three digits can be read as a three digit number, or as a one digit number followed by a two-digit number.Three point zero four plus two point zero two makes five ... 阅45 转0 评0 公众公开 21-04-25 16:06 |
one thousand one hundred and forty-seven.1,002,018 = One million two thousandand eighteen 1,001,116 = One million one thousand one hundred and sixteen.736,654,121 = Seven hundred and thirty-six million, six hundred andfifty-four thousand, one hundred and twenty-one The word hundredis always followed by "and"... 阅39 转0 评0 公众公开 21-04-22 15:26 |
磨料粒度详解。磨料的国家标准把粒度规格分为两类：一类是用于固结磨具、研磨、抛光的磨料粒度规格，其粒度号以"F"打头，称为"F粒度号磨料";另一类是用于涂附磨料的磨粒粒度规格，其粒度号以"P"打头，称为"P粒度号磨料".P12~P220磨料较粗，其筛比为1.892.P240~P2500磨料为粒度较系及分为磨料，所用筛... 阅3151 转1 评0 公众公开 20-09-01 16:48 |
