Double Barrel

double barrel colostomy

double barrel electric hoist

Double barrel graft technique

double barrel midship pump

double barrel panels

double barrel pump

double barrel stirred up

double double iron

Double-barrel of Washing Machine

double-barrel separator

four-barrel carburetor

single barrel carburetor

single-barrel carburetor

trip barrel carburetor

“double-seat double-vote” system

ball mill with double-inlet and double outlet

cationic double-chamber double-layer float bed

COAL PULVERIZER WITH DOUBLE INLET AND DOUBLE OUTLET