appraisal of gas from working face

bottom working time

hole-bottom working characteristic

initial (start-up) working capital

initial(start-up)working capital

up-working controller (PC)

working from top down

ash from bottom-blowing furnace

build up from nothing

distance from bottom

effluent from up-flow anaerobic sludge blanket UAS

from the bottom up

knocking from up die

look up from one’s book

looked up from one’s book

melting with oxygen-blown from bottom

picking up from the ground

public opinion from bottom to top

shoting Ar 2 into liquid steel can from bottom during liquid steel was carried