Curved seams should be placed over the end of the sleeve or skirt board to prevent distortion occurring on either side of the seam line.
曲线缝应放在烫袖板或烫袖板或烫裙褶台顶端熨烫，防止缝张任何一边出畸形。
2
The lighting device comprises at least a metal sleeve with a female thread, a printed circuit board, a LED, a microswitch, a spring electrode, a battery and a rear metal cover.
照明装置至少包括带内螺纹的金属衬套、印刷电路板、发光二极管、微动开关、弹簧电极、电池及金属后盖。
3
The utility model relates to a hanging nail assistant sleeve on the wall body of a gypsum board, which belongs to the technical field of fastening or fixing components.