Carl slipped a disc in his back while warming up.热身时卡尔腰椎间盘不慎错位了。Getting Hollywood's latest films released on laser-disc has also helped.通过激光视盘发行好莱坞最新电影也起到了一定作用。Today's floppy disc drives are tolerant of poor qu...
Assures perfect alignment of disc and seat even at large flow velocities.即使在大流速下,也能够确保阀瓣和阀座的精确对准.This glass disc looks very fragile.这个玻璃盘子看起来很容易碎。The colours rotated round on a disc and were reflected onto the wall behin...