annular grooved tube bundles
Circularly-grooved tube
Internally grooved tube
longitudinal grooved tube
Titanium circularly-grooved tube
Inner Grooved Copper Tube
Inner-Grooved Copper Coil Tube
Inner-grooved Copper Tube
smaller-diameter inner-grooved copper tube
Titanium circularly-grooved cooling tube
recessed tube-tube sheet
Tube-Tube Plate Welding