English translation for "untimbered"

无支撑的

Related Translations:

untimbered rill:  无支护对角工作面

untimbered tunnel:  无坑木支撑的隧道无支撑隧道

untimbered rill stoping:  无支护倾斜分层充填法回采

untimbered rill method:  无支护倾斜分层充填开采法

Similar Words：

"untilled" English translation, "untilled land" English translation, "untilthesilksdevelop" English translation, "untimate deformation" English translation, "untimate fights" English translation, "untimbered rill" English translation, "untimbered rill method" English translation, "untimbered rill stoping" English translation, "untimbered tunnel" English translation, "untime" English translation