日韩中文字幕在线观看网站|中文字幕一区二区日韩网|日本黄色一级一区二区视频|777久久精品一区二区三区无

閥門圖片

锟斤拷锟絇锟斤拷锟斤拷锟斤拷l锟統

锟絘(ch锟斤拷n)品锟斤拷號锟斤拷 Z41W
锟絘(ch锟斤拷n)品锟节忥拷锟斤拷 DN15锟斤拷DN600
锟絘(ch锟斤拷n)品锟斤拷锟斤拷锟斤拷 0.6锟斤拷10.0MPa
锟絘(ch锟斤拷n)品锟斤拷锟絴(zh锟斤拷)锟斤拷 锟絋锟紽锟斤拷锟絋锟锟斤拷锟斤拷锟絇鋼碉拷

 


锟斤拷锟酵诧拷锟絇锟斤拷l锟統锟絘(ch锟斤拷n)品锟斤拷B锟斤拷
锟斤拷锟酵诧拷锟絇锟斤拷l锟統锟角區(q锟斤拷)锟絜锟斤拷锟叫堬拷锟斤拷一些锟斤拷锟統锟絋锟斤拷锟斤拷锟絖(d锟斤拷)锟斤拷锟斤拷锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟統锟絋锟节猴拷锟絕锟锟斤拷锟斤拷p锟酵诧拷锟絇锟斤拷l锟統锟斤拷锟阶稱锟斤拷锟斤拷锟酵诧拷锟絇锟斤拷l锟統锟斤拷锟統锟絋锟节猴拷锟斤拷蠘锟(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷锟较囷拷锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絴(zh锟斤拷)锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷要锟斤拷锟斤拷 锟斤拷锟絇锟斤拷l锟統锟斤拷(y锟斤拷ng)锟矫凤拷锟斤拷锟斤拷 锟叫夛拷锟斤拷锟絤锟紹锟接碉拷锟斤拷锟酵诧拷锟絇锟斤拷l锟統锟絤锟斤拷锟节癸拷锟絈锟斤拷锟斤拷PN16锟斤拷PN25,锟斤拷锟斤拷锟截讹拷≤-29锟芥~550锟斤拷锟绞拷锟锟斤拷锟斤拷锟斤拷锟斤拷水锟斤拷锟斤拷锟斤拷锟斤拷锟秸撅拷锟斤拷N系锟統(t锟斤拷ng)锟侥癸拷路锟斤拷锟斤拷锟叫旓拷锟斤拷通锟斤拷路锟斤拷锟絴(zh锟斤拷)锟斤拷

锟斤拷锟絇锟斤拷锟斤拷锟斤拷l锟統锟絤锟矫斤拷锟絴(zh锟斤拷)锟介:
水锟斤拷锟斤拷品锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟结、锟紸锟斤拷锟斤拷锟斤拷锟斤拷锟截★拷锟斤拷锟斤拷锟斤拷然锟斤拷锟锟斤拷

锟斤拷锟絇锟斤拷l锟統锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟絚(di锟斤拷n)锟斤拷

1锟斤拷锟斤拷锟絇锟斤拷l锟統锟絰锟侥匡拷锟斤拷锟斤拷锟斤拷锟较囷拷锟斤拷(n锟斤拷i)锟解不锟絇锟斤拷y锟絋锟斤拷锟絇(gu锟斤拷n)锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟较碉拷全锟斤拷锟絴(zh锟斤拷)锟斤拷锟竭★拷
2锟斤拷锟絘(ch锟斤拷n)品锟斤拷锟斤拷锟斤拷蠂锟斤拷锟(n锟斤拷i)锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷要锟斤拷锟斤拷锟絣锟統锟杰凤拷煽锟斤拷锟斤拷锟斤拷軆锟(y锟斤拷u)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷
3锟斤拷锟杰封副锟戒對锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟絣锟斤拷锟斤拷y锟斤拷锟斤拷锟杰凤拷锟斤拷锟斤拷貌锟酵诧拷鹊锟剿咎拷锟斤拷锟絊tellite锟斤拷鈷伙拷硬锟絴(zh锟斤拷)锟较斤拷押锟斤拷锟斤拷锟锟斤拷锟杰凤拷煽锟锟斤拷硬锟饺革拷锟斤拷锟斤拷磨锟斤拷锟酵高滐拷锟斤拷锟酵革拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰猴拷锟斤拷锟斤拷锟斤拷锟絃锟斤拷 4锟斤拷锟絣锟統锟統锟経锟斤拷(j锟斤拷ng)锟絳(di锟斤拷o)锟絴(zh锟斤拷)锟斤拷锟斤拷锟芥氮锟斤拷處锟斤拷锟斤拷锟斤拷锟斤拷锟矫的匡拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆猴拷锟斤拷磨锟皆★拷
5锟斤拷锟絣锟統锟斤拷锟斤拷楔式锟斤拷锟斤拷锟絣锟斤拷Y(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟叫达拷趶锟斤拷O(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟絊锟斤拷锟斤拷磨锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷撞锟斤拷锟斤拷輪锟斤拷锟斤拷锟絔锟絧锟斤拷锟斤拷锟界。
6锟斤拷锟缴诧拷锟矫革拷锟絅锟斤拷芊锟斤拷m锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟絤锟杰凤拷锟斤拷锟斤拷式锟斤拷锟組锟斤拷锟斤拷N锟斤拷锟斤拷锟斤拷要锟斤拷锟矫戯拷要锟斤拷

锟斤拷锟絇锟斤拷l锟統锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)規(gu锟斤拷)锟斤拷锟斤拷

锟絆(sh锟斤拷)計(j锟斤拷)锟斤拷锟斤拷锟(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷GB/T 12234-2007
锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟絃锟饺橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷GB/T 12221-2005
锟紹锟接凤拷锟絤锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷GB/T 9113
锟斤拷锟斤拷锟截度等硷拷锟斤拷GB/T 12224-2005
試锟(y锟斤拷n)锟絲锟(y锟斤拷n)锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷GB/T 13927-2008


 

锟斤拷锟侥網(w锟斤拷ng)址: http://www.dealssharing.com/fm/zf/310.html

锟統锟絋知锟絉

锟斤拷锟絔锟統锟絋

锟斤拷锟絞(sh锟斤拷)锟結锟斤拷