English translation for "untimbered rill"

无支护对角工作面

Related Translations:

untimbered:  无支撑的

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

rill:  n.〔诗〕小河，小溪，细流。vi.像小河一般流。n.【天文学】(月面)谷，沟纹。

foot rill:  直达采区巷道

rill cutting:  倾斜分层回采

rill cast:  细沟铸型

rill stage:  细沟阶段

rill channel:  细沟

Similar Words：

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