钢瓶是中空的管道,封闭的底部是凹入的,这样可以直立起来.A cylinder a hollow tube a closed concave base that permits the cylinder to stand upright.水平过渡交叉挡板应扣住, 凹入并隐藏.Horizontal intermediate cross rails, which are required for locks, will be recessed...
He knew about the interview prior to its publication and had actually previewed the piece.这篇访谈在发表以前他就已经知道了，并且实际上还预先阅览过。The play is due to be previewed tonight.这出戏定于今晚试演.Backwardness must be previewed before it can be cha...