请问那个网站有日韩毛片看,久久精品 国产精品香蕉,美女喷液被艹视频艹艹艹,男鸡鸡插女人的逼的网站

工程標(biāo)準(zhǔn)

• 《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》GB50242-2002

• 《通風(fēng)與空調(diào)工程施工質(zhì)量驗(yàn)收規(guī)范》GB 50243-2002

產(chǎn)品標(biāo)準(zhǔn)

• 《通用閥門法蘭和對(duì)焊連接鋼制球閥》GB/T12237-89

• 《鐵制和銅制球閥》GB/T 15185-1994

• 《鋼制閥門 一般要求》GB/T 12224-2005

• 《生活飲用水輸配水設(shè)備及防護(hù)材料的安全性評(píng)價(jià)標(biāo)準(zhǔn)》 GB/T17219-1998

標(biāo)準(zhǔn)編號(hào) 標(biāo)準(zhǔn)中文名稱 標(biāo)準(zhǔn)英文名稱

• sy/t5835-93 壓裂用井口球閥

• gb/t12237-1989 通用閥門法蘭和對(duì)焊連接鋼制球閥 general purpose industrial valves--flanged and butt-weld endsteel ball valves

• gb/t15185-1994 鐵制和銅制球閥 cast iron and copper alloy ball valves

• jb/t7745-1995 管線球閥

• jb/t53167-1999 球閥 產(chǎn)品質(zhì)量分等

• jc/t783-2004 玻璃纖維增強(qiáng)改性酚醛塑料球閥

• jb/t8861-2004 球閥 靜壓壽命試驗(yàn)規(guī)程

• nf e29-350-2003 工業(yè)用閥.鋼制球閥、球狀截止閥和止回閥 (industrial valves - steel globe and globe stop and checkvalves.)

• nf e29-466-1987 工業(yè)閥門.旋轉(zhuǎn)閥.黃銅球閥.規(guī)范 (industrial valves. brass ball-valves. specifications.)

• nf e29-354-2003 工業(yè)用閥.鑄鐵球閥 (industrial valves - cast iron globe valves.)

• nf e29-465-1986 工業(yè)閥門.旋轉(zhuǎn)閥.銅鋁球閥.規(guī)范 (industrial valves. cupro-aluminium ball valves.specification.)

• nf d36-406-2004 建筑物用閥.建筑物內(nèi)飲用水給水用手動(dòng)銅合金和不銹鋼球閥.試驗(yàn)和要求 (building valves - manually operated copper alloy and stainlesssteel ball valves for potable water supply in buildings - tests andrequirements.)

• nf e29-335-2003 石油和天然氣工業(yè)用尺寸為dn 100及更小的鋼閘閥、球閥和止回閥 (steel gate, globe and check valves for sizes dn 100 andsmaller, for the petroleum and natural gas industries.)

• nf e29-139-1998 建筑物氣體裝置用手工操作球閥和死底錐形旋塞 (manually operated ball valves and closed bottom taper plugvalves for gas installations for buildings.)

• ansi/asse 1002-1979 廁所沖水箱球閥 (water closet flush tank ball cocks)

• ansi/api 608-2002 對(duì)焊和法蘭端金屬球閥 (metal ball valves - flanged and butt-welding ends )

• bs en 13709-2003 工業(yè)用閥.鋼制球閥、球狀截止閥和止回閥 (industrial valves - steel globe and globe stop and checkvalves)

• bs en 13789-2003 工業(yè)用閥.鑄鐵球閥 (industrial valves - cast iron globe valves)

• bs en iso 15761-2003 石油和天然氣工業(yè)用尺寸為dn 100及更小的鋼閘閥、球閥和止回閥

  
  

http://m.sjsujusticestudies.net/projectcase/detail/20190505173317.html