单词	slight vacuum
释义	slight vacuum n.低度真空
随便看	profile of out-of-body experiences profile of pipe-line route profile of precise relieving cutter profile of program profile of road profile of sand transport rate profile of sandy loam profile of sediment density profile of slope profile of spectral line profile of spectrum profile of surface Profile of survey line profile of teeth profile of the mountains profile of tooth profile oftunnel Profile of water front graph profile of water table profile of wheel tread profile optimization profile overlap interference profile page profilepaper profile paper