云中龍0603 發(fā)表于 2012-8-10 12:16 ; S; h# E6 _" ^8 @) b1 m, l1.050TGB-41/2TBG(不加厚油管螺紋量規(guī))、1.050UPTBG-41/2UPTBG(為外加厚油管螺紋量規(guī)),螺紋為60°牙形 ...
云中龍0603 發(fā)表于 2012-8-10 12:55 0 }3 [" w/ w! [- w% x( T1 m9 {- FGBT9253.2-1999-TBG螺紋
云中龍0603 發(fā)表于 2012-8-11 00:21 W1 x4 J4 @, Y/ x) f/ _% ]0 {沒(méi)有意思