end hole

without explosive in hole end

A shrinkage method combining with medium-length hole and shallow hole

hole by hole blasting

hole by hole blasting technique

hole by hole detonating

hole by hole initiating

hole by hole initiation

Hole-by-hole

mid-and-deep hole combining shallow hole balsting

sight hole peep hole

150kA pre-baked anode cell arranged in double rows and end by end

end to end anastomosis

End to end joint sleeves of rotor

end to end management

end to end sterilization

end-to-end

mean square end to end distance

1 000 m deep hole

1 Taper Hole in Coupling