德国Extrudex Kunststoffmaschinen公司开发了一种新型高性能的单螺杆挤出概念。
多楔带是一种新型高效传动带,兼有平带和联组带的优点,本文简要介绍了多楔带的结构特点和生产工艺,多楔带单根磨削机是用于多楔带磨楔的专用设备,该机具有自动化程度高,生产
文章采用火焰原子吸收分光光度法测定了5批藏成药金诃脑血康胶囊中镉、铬、钴、铜、铁、镁、锰、镍、铅、锌等10种微量、宏量金属元素的含量，并对其结果进行了分析。结果表明，
日期:tomorrow天气:云朵奇形怪状心情:快乐加加早晨,我揉了揉睡意惺忪的眼睛,咦?我怎么躺在一间"水果屋"里!我急忙去翻日历,哈,今天是漫画节!
The expression “Go for it!” is a way of encouraging someone to try something.
一天上午,灰毛猴、金丝猴和长尾猴一起来到桃园。灰毛猴说:“我今天身体不好,请二位兄弟爬树摘桃子吧!你们辛苦我也过意不去,那分桃子的事我包了,我保证多分些桃子给你们。
Youth volunteers from Beijing University visited Songtang Hospital, a care clinic for the aged and dying patients, during the second Global Youth Service Day on
1 .Once Avanty(阿凡提) and a rich man went to court (打忆司) because of something.On the way there, Avanty stealthily picked up a big stone and hid it in his po