找回密码
 立即注册
井径
井身各段横断面的直径,是开口井径、开采段井径、终止井径的统称。
来源:《管井技术规范 GB50296-2014》
开始录制

Archiver|手机版|小黑屋|牛马Next ( 苏ICP备17047105号-6 )Published by Stonespider

GMT+8, 2025-6-20 20:53 , Processed in 0.109261 second(s), 22 queries .

Powered by Discuz! X3.5

© 2001-2025 Discuz! Team.

返回顶部