人妻免费久久久久久久了,精品无码久久久久久久久,成人免费视频一区二区三区,国产熟女一区二区三区五月婷

gӭR ӱ˼Pܭh(hun)Ƽ޹˾

I(yng)a(chn)Ʒ

Óˮ؇ÓS
“(lin)ϵʽ
ַ S·888̖(ho) 
֙C(j)15128969988
Ԓ 13333240202
]䣺 hebeiskl@163.com 
“(lin)ϵˣ(jng)
YӍϢ

F(xin)ڵλã(y) > „Ϣ > Ԕ(x)(ni)

ˮÓx310s|(zh)ԭʲô

l(f)r(sh)g2022-01-12

ʲôÓx310s|(zh)ӱ˼Pܭh(hun)Ƽ޹˾ռһ

310S0Cr25Ni20NJWwt懲P䓾кܺõĿԡ͸gӲȏ(qing)ڸߜܳm(x)I(y)õ͸ߜԡ^|(zh)310smˮG偠tȃ(ni)\(yn)еĹr

WwͲP̼ĺ܏(qing)ʹ(qing)ȵõWwͲP䓵ĻW(xu)ɷt懞A(ch)fu≺⁵ԪأMY(ji)(gu)ڸߜиߵď(qing)Ⱥ׃(qing)ȡc(din)1470800_ʼܛSÑ(yng)m(x)

310sP䓻W(xu)ɷ

C :0.08

Si :1.500

Mn :2.00

P :0.035

S :0.030

Ni :19.00-22.00

Cr :24.00-26.00

W(xu)

(qing)(b)(Mpa) :520

(qing)(s)(Mpa) :205

esp()% :50

C(j)е

b(MPa)5200.2(MPa)205 5(%)40 (%)50HB187 1150ϸߜءc(din)1398~1454

310SP;

_ģAߣҎ(gu)üoߵ

310SP

̼ͨعѵ|(zh)_(d)L(zhng)ߵĉÓ⾫|(zh)(wn)͸ӲѺ׃٣gԺĥ߽(jng)

310SP䓟̎

ػ180~200

˻B(ti)207HB,ֱ4.20mm

˽Y(ji)Óʹӱ˼Pܭh(hun)Ƽ޹˾аl(f)I(y)310SPÓVڸ(g)ИI(y)IJPÓȫ310S0Cr25Ni20Wwt懲PÓՈ(qng)ԃӱ˼Pܭh(hun)Ƽ޹˾


P(gun)a(chn)Ʒ
P(gun)„
| | ƽ| | | | | Ұ| ɽ| گ| | żҽ| | | | | | | բ| | Ī| | Ӣ| | ¦| Դ| Ƽ| ˮ| ˮ| Ĭ| | ˰| | ߰| ػ| | | | | | |