Chinese translation for "导坑前沿支撑"

advance timbering

Related Translations:

导坑:  approach pitdrift headingpilot driftpilot holepilot tunnelpilottunnel

中央导坑:  centre drift

导坑尺寸:  size of heading

横导坑:  cross cut

隧道导坑:  heading pilot tunnel

导坑底板:  pilot tunnel floor

平行导坑:  parallel adit

下部导坑:  bottom drift

底导坑:  bottom gangwaybottom gatebottom heading

导坑法:  pilot tunnel methodpioneer drift method

Similar Words：

"导坑" Chinese translation, "导坑尺寸" Chinese translation, "导坑底板" Chinese translation, "导坑法" Chinese translation, "导坑防水支撑" Chinese translation, "导孔" Chinese translation, "导孔, (纸带上)输送孔, 齿孔" Chinese translation, "导孔穿孔" Chinese translation, "导孔道" Chinese translation, "导孔间距" Chinese translation