Take a very close look at a worn surface under direct sunlight.
在阳光直射下仔细地观察一个磨损的表面。
Cavitation can make the surface trim have worn, and deep pits.
汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。
The worn diamond wire and cutting surface were observed with optic microscope.
用光学显微镜观察了磨损的金刚石线和切割表面。
A deep, narrow valley or gorge in the earth's surface worn by running water.
沟壑由于河流冲刷而在地球表面形成的深而窄的山谷或峡谷。
Worn or wet crutch tips decrease surface tension and increase the risk of falling.
磨损或潮湿的拐杖头会降低其表面张力，增加摔倒危险。
Worn or wet crutch tips decrease surface tension and increase the risk of falling.
磨损或潮湿的拐杖头会降低其表面张力，增加摔倒危险。
应用推荐