展会时间:2014-11-14 至 2014-11-16
伴随着我国石油天然气工业和城市建设的蓬勃发展,油气输送、供水、排水、供热、电力和通讯等基础设施建设面临巨大发展机遇,但长期以来,由于历史和现实的种种原 ...
|小黑屋|展会港
GMT+8, 2024-5-17 04:18 , Processed in 0.009257 second(s), 2 queries , Gzip On, Redis On.
Powered by Discuz!
© 2001-2023 Comsenz Inc.