<cite id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></cite>
<var id="zj3bf"></var>
<var id="zj3bf"></var><cite id="zj3bf"></cite>
<var id="zj3bf"><strike id="zj3bf"></strike></var>
<cite id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></cite>
<cite id="zj3bf"></cite>
<cite id="zj3bf"></cite>
<var id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></var>
<var id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></var>
<var id="zj3bf"></var>
<var id="zj3bf"></var><var id="zj3bf"><strike id="zj3bf"></strike></var>
<var id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></var><cite id="zj3bf"></cite>
<cite id="zj3bf"></cite>
<cite id="zj3bf"></cite>
 
ǣ
aƷB
Ʒչʾ
վȫyϵ
˰ȫyϵ
ͨðȫyϵ
yTϵ
yT
“ϵ҂
ַϺܗ·2270̖
Ԓ021-52850962 52851219
棺021-52852028
]200333
“ϵˣͬ
֙C13501756980
Emailclos@sh-clos.com
waynewang54321@qq.com
I]
Ñ
ܡa
˰ȫyϵ
1ҹ˾һ֧ʮϵOӋzF{ԇSaƷYɿ]СܷԺ

2ҹ˾˰ȫyOӋòzԇָ˺Bӳߴ ASTM 1 ƪ VIII ƪ ASTM  API526  API527  ANSI  B16.5 ҎҎ偠tðȫyĆ]_4%ƫ + 1%

3ҹ˾ȫyx̽vг@ƹˇܷo׃

4yܺжNš|ɿMԇ

5ȫy߂Ӳܷ⣨ٌ٣ܛܷ⣨ǽٌ٣y꣨ߜظ߉ȶNܷYܷѺ˾̫Ӳ|ϽmNrCܷ

6ȫyͬʹùrжN]ŷʼn{YʹaƷڸߜظ߉rFͬ_OӋҎʹҪ

7ҹ˾ҲɸÑҪṩձJIS‡DINNFӢBSȘ˜aĸȫy

8ҹ˾ּǣr؛raƷ|ռrܵ

CSA-48sB100C1 DN150ʽðȫyă
£
һaƷ飺
ԓɢȫʽȫyҹ˾Yϵ‡ձߜظ߉g_lĮaƷmڴͻ늙CM^ԼOܵ鳬obҪָ˷ISO4126GB12243-89Ҫ

Y
1 y
aƷĿǰHϸߜذȫyձõďyY@NYܴp׃ҾܷĶ_^õܷ
2 p{Ȧ
ȫyp{ȦYڌ׺yϸһ{ȦQ{ȦԌȫyĄM{
3 _ʽY
ȫyг_ɢ_ywͳ_yñ(o)Y@NYɴ_ȫyoՓrȫy_r_ɱڷB
4 {C
ȫy˲p{ȦYyUһ{ĸɢһŷű{yͨ^׃{ĸλ_׃ȫyŷŕryǻıM{]
 
©Ϻ_˹yT޹˾
日本高清h色视频在线观看,欧美高清videossexohd,国产高清成免费视频,天天看高清影视在线WWW
<cite id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></cite>
<var id="zj3bf"></var>
<var id="zj3bf"></var><cite id="zj3bf"></cite>
<var id="zj3bf"><strike id="zj3bf"></strike></var>
<cite id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></cite>
<cite id="zj3bf"></cite>
<cite id="zj3bf"></cite>
<var id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></var>
<var id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></var>
<var id="zj3bf"></var>
<var id="zj3bf"></var><var id="zj3bf"><strike id="zj3bf"></strike></var>
<var id="zj3bf"><video id="zj3bf"><thead id="zj3bf"></thead></video></var><cite id="zj3bf"></cite>
<cite id="zj3bf"></cite>
<cite id="zj3bf"></cite>