Four - pole with double distance, non - librations, speed can be adjusted unlimited.四 导柱 双行程升降 、 无振动, 进出速度无级调节.Working table with stable in - and - out, non - librations, speed can be adjusted unlimited.工作台进出平稳 、 无振动, 进出...
Wind is the fabricant of desert, beach and riverside are the place of accommodation.风是沙漠的制造者, 海边,湖岸,河谷则是沙漠的供应地.The bamboo brush holder collecting depends on its fabricant, styles in its age, design and carver.收藏竹笔筒主要看是否为...
The use of brush and spray methods is perhaps best known to the ordinary householder.普通居民也许都很知道涂刷法和喷雾法的使用.Based on Householder transformation, MPI + OpenMP hybrid parallel algorithm of tridiagonalizing a dense symmetric ...