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

[99m~Tc≡N] intermediate

[99Tcm(CO)2(NO)(H2O)3]2+ intermediate

10kV complete equipment of intermediate switch

500 kV cable intermediate joint

aceted intermediate

active catalytic intermediate

active intermediate

adaptive zero intermediate frequency vector filter

Addition intermediate radical

Adsorbed intermediate