People are living in a world that acquires almost everyone to chase efficiency and speed.The real inner quality of daily......

In China,the problem is how to change the con-dition in which students can’t speak English,evenafter a long period of ......

<正>Torch Festival is a traditional festival celebrated by Yi nationality in southwestern China.It usually falls on the ......

为了减少舒美特喷气织机故障，提高织机效率，通过对舒美特喷气织机绞边器和后粱紧同部分的改造，解决了生产过程中由于绞边丝缠绕造成绞......