英语翻译Waistband:fully elasticated grown on waistband 4cm depth

英语翻译
Waistband:fully elasticated grown on waistband 4cm depth,pic1.elastic is attached to the waist edge with A5 thread overegged stitch..Waistband is folded and topstitched with 3 rows of chain stitched.1 x agile row I cm from top edge.1x twin needle chain stitch at bottom edge.
Reverse side with functional drawcord with two buttonholes 3cm on either side of front side.
Seam:sst t/stitching
ISO stitch:401 401 304
S/CM:3 3
Needle thread(tex):spun polyester T21
Tread color:self color
Needle size(metric):65-75

腰头：一条宽4CM、松紧带完全植入,松紧带要包得很合体,用A5的线车,腰头要用3排链型缝法包缝,1CM车一圈腰头上边缘.腰头下边缘用链型缝法车2圈.
一边要3CM大的2扣眼是覆盖另一边上.
接缝：机车
国标缝迹：401 401 304
S/CM:3 3 （有点不明白S 是什么的缩写）
缝纫线：T21涤纶纺成
线的颜色：衣服色
缝纫线尺寸（公分）：65—27
哎呀,我也能力有限,有些不明白,不一定全正确 ,希望有一定帮助