ͳƬͨ^ڹϝL܈Bm(x)ƬcȾиeߵğfVmڸNQ(do)
ͳƬ~ ͳƬҪ(yng)ڿ{(dio)O(sh)еl(f)ʽCsNύQ;(yng)ڟվͺվύQеl(f)ýQеl(f);(yng)ȼ݆CMʯI(y)õĿ՚sssϵy(tng)еĸNύQИI(y)õĸͼӟ ͳƬͨ^ڹϝL܈Bm(x)ƬcȾиeߵğfVmڸNQ(do)ϡ (zh)И˜ʣGB/T19447ͬASTM B359ASME SB 359 |(zh)~T2/TP2F~BFe10-1-1(f)sS~HSn70-1HA177-2 B(ti)ƬY2M Ҏ(gu) ⏽DoΦ7~Φ16mm ˺To0.40-1.50mm ױںTw0.25-1.10mm XRh≤0.15-3mm β0°~ 28° LL≤8m bľb