1) Blind raise
盲天井
2) Blind raise boring machine
盲天井钻机
4) rectangle blind shaft
矩形盲井
1.
Current construction situation of the rectangle blind shaft is discribed and measures be necessarilytaken are proposed after analysing the reasons by which the construction speed is affected.
针对矩形盲井目前的施工现状,分析了影响成井速度的因素并采取必要的技术措施。
5) blind shaft
盲竖井
1.
The application of digital D.C.controller in the lifting electric-controlled system of blind shaft of gold mine;
数字直流控制器在黄金矿山盲竖井提升电控系统中的应用
6) undiscovered mineral
井旁盲矿
补充资料：盲盲
1.谓茫茫无所见。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条