- 相关词组
- convex lens凸球镜片;火镜;凸透镜;凸镜;
- convex bobbin鼓形筒子;
- convex glass凸透镜，远视眼镜，花镜;
- crotch weld楔接锻接，楔接焊接;
- concavo convex凹凸的;
- convex polyhedron凸多面体;
- convex corner凸[钝]角;
- convex slope凸坡，滑走坡;
- convex bank凸岸;
- weld crosswise交叉焊接;
- convex polygon凸多边形;
- convexo convex两面凸的;
- convex mirror凸镜，凸面镜;
- convex edge（板坯、轧件的）凸边，凸面;
- butt weld对接焊缝;
- weld all around围焊;
- all-around weld整周焊缝;
- beading weld凸焊;
- backing weld底焊，底焊焊缝;封底焊;
- convex curve凸曲线;
- 今日热词
- 热门搜索
- I tell you 我告诉你;让我告诉你
- victory n.胜利;成功;
- bold adj.明显的，醒目的;勇敢的，无畏的;莽撞的;陡峭的;n.粗体字;黑体字;
- neglect v.疏忽;忽视 ;n.忽略;怠慢;
- raincoat n.雨衣;
- excellent adj.极好的;太好了;杰出的;非凡的;(用以表示愉快或赞同)好极了，妙极了
- toner empty 碳粉空
- smelly adj.难闻的;
- deaf adj.失聪的;不愿听;不去注意;
- smoking n.吸烟，抽烟;v.冒烟( smoke的现在分词);抽烟;用烟熏制;吸（烟）;
- prisoner n.囚犯;俘虏;为…所困的人;
- recipe n.食谱;秘诀;原因;
