![]() |
[國(guó)家標(biāo)準(zhǔn)] GB 50253-2014 輸油管道工程設(shè)計(jì)規(guī)范(附條文說(shuō)明) |
| ||
|
|關(guān)于我們|網(wǎng)站地圖|油氣儲(chǔ)運(yùn)網(wǎng)
( 魯ICP備11007657號(hào)-3 )
GMT+8, 2025-9-4 08:39 , Processed in 0.040317 second(s), 10 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.