English translation for "周壁导坑"

peripherical drift

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：

"周必大" English translation, "周壁" English translation, "周壁层" English translation, "周壁虫孔构造" English translation, "周壁单缝孢属" English translation, "周壁的" English translation, "周壁粉属" English translation, "周壁平原" English translation, "周壁清理" English translation, "周壁三缝孢亚类" English translation