“凹入”造句
2024年06月19日 06:38:55
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 and concealed.