one; 1; single; a (article); as soon as; entire; whole; all; throughout[cedict]
条
tiáoㄊㄧㄠˊ
strip; item; article; clause (of law or treaty); classifier for long thin things (ribbon, river, road, trousers etc)[cedict]
坑道
(n) tunnel; (mine) level; (P)[edict]
当
dāngㄉㄤ
dàngㄉㄤˋ
to be; to act as; manage; withstand; when; during; ought; should; match equally; equal; same; obstruct; just at (a time or place); on the spot; right; just at[cedict]
at or in the very same...; to pawn; suitable; adequate; fitting; proper; replace; represent[cedict]