medium power vacuum-tube
welding of medium-diameter thin-walled tube
recessed tube-tube sheet
Tube-Tube Plate Welding
test tube test tube brush test tube holder test tube rack
medium temperature and medium pressure
medium-temperature medium-pressure
the water medium and oil medium
modified Frey medium and mycoplamas medium
connection of tube and tube sheet
double tube double tube-plate heat exchanger
Framed tube supported on frames-core tube
gas tube (=gas-filled tube)
Heat Exchange Tube and Tube Sheet
integrated tube-box shell-and-tube heat exchanger