By the analysis of stress, crack characteristics, cross section metallography, scanning electrometry microscopy, energy spectrum micro-area as well as material quality of top hair clip pipe of Primary reformer, finds out the reason for top hair clip pipe cracking is stress corrosion cracking, and puts forward defending measures.
通过对一段转化炉上发夹管受力分析、裂纹特征、断面金相、电镜扫描、微区能谱、材质等分析,找出了上发夹管开裂的原因是应力腐蚀断裂,提出防护措施。
A hole or pipe in a wall to allow water to run off.
墙上排水孔，墙上排水管
Will this wallpaper adhere to the wall?
墙纸能粘贴在墙上吗。
To line or panel(a room or wall) with wainscoting.
饰以护墙板给（房间或墙上）装护墙板
Mirror, mirror on the wall,
“魔镜，墙上的魔镜，
The boy pulled himself to the top of the wall and looked over.
男孩爬上墙头，从墙上观望。
There's a splash of paint on the white wall.
白墙上溅上了一片油漆。
Hammer a hook in the wall and hang the picture on it.
把钩钉在墙上,把画挂上。
He pasted the wall with Burlap. The wall is pasted with splotches.
他用粗麻布贴墙。墙上沾满了污点
fitting ,of plastics for permanent installation in or on walls
塑料配件,用于墙内或墙上的固定装置
He stripped the old wall paper off the wall.
他从墙上揭下了旧的墙纸。
Cracks all along the concrete wall showed where it had sprung.
墙上的缝隙说明了水泥墙的裂处。
There is a breach in the wall.
墙上豁了一个口子。
He is windowing on the wall.
他正在墙上开窗口。
The notice was pasted up on the wall.
这通告被贴在墙上。
He overlaid the walls with hessian.
他在墙上贴了一层麻布.
A big calendar is hanging on the wall.
墙上挂了一本大月历。
We pasted the paper on to the wall.
我们把那张纸贴在墙上。
The moon casts a shadow on the wall
月亮在墙上投下阴影。