免费性爱视频,欧美日韩精品运动员操逼视频,亚洲熟妇一区,凸凹视频在线观看

(dng)ǰλã(y) > a(chn)Ʒ > a(b)ϵ >

a(chn)Ʒeyp

a(chn)ƷҎ(gu)񡿣DN20mm-DN2000mm

a(chn)Ʒ0.6-2.5MPa

(zh)И(bio)(zhn)GB/T2777-2008


m÷ᡢAgˮˮȡ

a(chn)Ʒ|(zh)̼P.

Bӷʽm

m(bio)(zhn)GB/T9115.1-2000 GB/T9119-2010


  • |(zh)(wn):(sh)ȫ^|(zh)O(jin)(x)΢ȫλzy(c)!
  • r(ji):Ч(ni)ɱp_֧׌ڿ͑!
  • ؛:M(jn)a(chn)ˮĂ؛s˽؛!

ھԃ

ُ(gu)Iᾀ1393714618215538711655

a(chn)ƷB
͏Ԝp𲨼ya(b)ͨ˾(jng)^оY(ji)Ј(chng)ҪPczM(jn)Ѓ(yu)Y(ji)γһN?c)?j)íh(hun)͌a(chn)ƷV{(dio)oˮõM(jn)ڣЧ؜pC(j)(dng)չܵo(h)O(sh)䡢L(zhng)O(sh)ʹÉ


a(chn)Ʒc(din)
P䓏Ԝp𲨼ya(b)ҹ˾(jng)^оY(ji)Ј(chng)ҪPczM(jn)Ѓ(yu)Y(ji)γһN?c)?j)íh(hun)͌a(chn)ƷV{(dio)áoˮõM(jn)Ч؜pC(j)(dng)չܵo(h)O(sh)L(zhng)O(sh)ʹÉУ͸ߜh(hun)ȃ(yu)c(din)ЧؽQʽzܛ^IJl(wi)ϻ͉(wn)Ó˺ѡƵȲQ˱÷֮n


a(chn)Ʒ
1áyՉC(j)M(jn)
2ܡ{(dio)ܵ
3һ㹤SܺҪBӵĈ(chng)ϣ
4ˮܺҪl(wi)Ĉ(chng)ϣ
5C(j)еO(sh)Ҫpa(b)λƵĈ(chng)

a(chn)Ʒc(din)


1yΞ顰SβԴԴ󣬟o(yng)
2a(chn)ƷDN32-DN80-߅׷m؄eDN100ϲßoh(hun)ӽY(ji)(gu)ĶӲЧQyܺc(din)Ĵɵ©Ȇ}L(zhng)yܵʹÉ
3.m߅---Ă(g)ֲ͹UĶ(qing)yܵĹ
4.ÿ(g)͹(ni)bһ(g)(yu)|(zh)pz|(dng)(jng)^U(do)Ķ߮a(chn)Ʒչܵ,p(dng)
5.UY(ji)(gu)߅ñݽzgĹĸBĶ{(dio)(ji)yL(zhng)Ʋysʹڰb


a(chn)Ʒf
1.a(chn)ƷmڸyM(jn)ں͹ܵBӣ
2.a(chn)Ʒz(ܛ^)xa(chn)ƷbʹS޷
3.ضһ196450ضȳ^@(g)ӆ؛r(sh)Ո(qng)ע
4.a(chn)Ʒɸ(j)(sh)HҪxL(zhng)ȣ
5.a(chn)ƷЃ(yu)Ĝpܣ܉չܵğλ(du)O(sh)С


a(chn)Ʒbf
1.br(sh)y(yn)wRyÓpmܷ
2.áy֧ܵÌӵa(b)ϣӰa(b)
3.a(b)ϵUUÁܽ|(zh)(ni)ܲ
4.Õr(sh)׃a(chn)ƷԭL(zhng)ȣӰ푮a(chn)ƷʹÉ
5.ԇʹǰbùܵĹ̶֧ܣ\(yn)Еr(sh)\(yn)Еr(sh)ԲyܴsӰ푮a(chn)ƷʹÉ

Ͱ

a(chn)ƷʾD

㲿

g(sh)(sh)

a(chn)Ʒ(w)

I(y)I(y)(w)ͨㄓ(chung)r(ji)ֵ !
(w)|(zh)\(chng)ķ(w)ͨ}ͨa(chn)Ʒ|(zh)(yn)P(gun)؟(z)εˣ_a(chn)Nۡ(w)Ľ\(yn)ӏ(qing)cÑͨ\(chng)V͑ṩ(yu)|(zh)a(chn)Ʒ(w)شͨ ³Z

a(chn)Ʒ(bio)(zhn)
a(chn)Ʒ(yn)Ї(gu) GBHG (bio)(zhn)(gu) API Ș(bio)(zhn)O(sh)Ӌ(j)(yn)ܷӲ_(d)(gu)Ҏ(gu)Ҫȳ^(gu)Ҙ(bio)(zhn)
ǰ(w)
a(chn)ƷBg(sh)ǘ(bio)a(chn)ƷO(sh)Ӌ(j)y
з(w)
1źͬCr(sh)؛Sr(sh)c͑“(lin)ϵ 2(du)(f)sĮa(chn)ƷҏSżg(sh)ˆT(du)ÑM(jn)Юa(chn)Ʒʹų{(dio)ʽSM(jn)Ӗ(xn)ָ(do)
ۺ(w)
1ͨa(chn)Ʒ|(zh)ڞԳS 12 (g)(sh)С(w)Qޣ
2a(chn)ƷʹҏSڽMg(sh)zˆTM(jn)LԃÑ(du)a(chn)Ʒ|(zh)ʹàrM(jn)ҊȷķԱM(jn)һ߮a(chn)Ʒ|(zh)
3(du)ÑͶVa(chn)Ʒ|(zh)}ӳۺ(w)ˆT 24-36 Сr(sh)ʡ 48 Сr(sh)sF(xin)(chng)
4(du)ۺ(w)ҪÑ(w)|(zh)bҊͬͨĮa(chn)Ʒ|(zh)c(w)|(zh)

ӆ؛c֪

1ُ͑(gu)Ո(qng)0371-64016898 E-mailruitonggscl@163.comԃ 0371-64016899
2յُ͑(gu)Σ͑ṩa(chn)Ʒ̖(ho)xc(bo)r(ji)r(ji)Σ
3w̶؛Ҫˡ


ӆ؛֪
1͑(du)a(chn)ƷҪӆ؛ͬṩf
1Y(ji)(gu)L(zhng)
2Bʽ
3Qֱȫͨsܵߴ
4ý|(zh)ضȡ
5(sh)(yn)z(yn)(bio)(zhn)Ҫ󱾏Sɸ(j)͑ҪöO(sh)Ӌ(j)a(chn)Ʒ
2Sɸ(j)͑ҪöO(sh)Ӌ(j)a(chn)Ʒ
3ɿ͑ṩ_Įa(chn)Ʒͺ̖(ho)r(sh)͑(yng)_f̖(ho)ĺxҪڹpһµėlºӆͬ

ھύ

ı“(lin)ϵʽͮa(chn)Ʒύo҂҂Mc“(lin)ϵQxxܼr(sh)ȡ“(lin)ϵՈ(qng)(w)“(lin)ϵʽϢ

“(lin)ϵ҂

  • “(lin)ϵˣܽ(jng)
  • ֙C(j)̖(ho)13937146182 ΢̖ͬ(ho)
  • ֙C(j)̖(ho)15538711655 ΢̖ͬ(ho)
  • QQN1469088068
  • QQN2664853510
  • Ԓ0371-64016899
  • 棺0371-64016898
  • 163]䣺ruitonggscl@163.com
  • I(y)]䣺sunrui@gyruitong.com
  • Q(mo)Ԓ89997530
  • ַx幤I(y)@

Ҳ“(lin)ϵھͷ

ھԃ

ַʡx(zhn)ܵba(chn)I(y)@

]451281

Ԓ0371-64016899

P(gun)҂
҂ă(yu)(sh)
ҕlչʾ
I(y)su(y)
ͨĻ
l(f)չv
a(chn)Ʒ
s
z^
ˮ׹ϵ
^
a(b)ϵ
ϵ
„
ИI(y)֪R(sh)
I(y)
չʾ
͑
͑L
̰
a(chn)F(xin)(chng)
҂ķ(w)
ۺ(w)
“(lin)ϵ҂
“(lin)ϵʽ
҂λ
ھ
(qun) © 2018 xͨˮ޹˾ ԥICP16008143̖(ho)-1
ԥICP16008143̖(ho)-1