国产精品成人网站,精品人妻互换一区二区三区,大肉大捧一进一出视频免费的试看,婷婷激情综合网

上儀網(wǎng):http:///

標(biāo)準(zhǔn)編號(hào) 標(biāo)準(zhǔn)中文名稱(chēng) 標(biāo)準(zhǔn)英文名稱(chēng)
ANSI/UL 1002-1996  危險(xiǎn)保密場(chǎng)所用電動(dòng)閥 (Electrically Operated Valves for Use in Hazardous (Classified) Locations)
UL 1002-1994  危險(xiǎn)(分類(lèi)的)場(chǎng)所用電動(dòng)閥門(mén)  (Electrically operated valves for use in hazardous (classified) locations )
IEEE 382-1996  對(duì)核電站用有安全功能的電動(dòng)閥組驅(qū)動(dòng)器的鑒定 (Qualification of actuators for power-operated valve assemblies with safety-related functions for nuclear power plants)
IEEE 1290-1996  核電站中電動(dòng)閥門(mén)(MOV)的電機(jī)使用,保護(hù),控制和試驗(yàn)的指南 (Guide for motor operated valve (MOV) motor application, protection, control,testing in nuclear power generating stations)

上儀網(wǎng):http:///