medium power vacuum-tube 中功率真空管
Medium-wall steel tube 中厚壁钢管
welding of medium-diameter thin-walled tube 中径薄壁筒焊接
medium medium moisture 基质湿度
recessed tube-tube sheet 管子内缩管板
Tube-Tube Electrode 管-管电极
Tube-Tube Plate Welding 管子管板焊接
Tube-Tube Sheet 管-管板
test tube test tube brush test tube holder test tube rack 试管
medium temperature and medium pressure 中温中压
medium-temperature medium-pressure 中温中压
the water medium and oil medium 水和油介质
modified Frey medium and mycoplamas medium 改良Frey培养基和支原体培养基
connection of tube and tube sheet 管子与管板的连接
double tube double tube-plate heat exchanger 双管双管板换热器
Framed tube supported on frames-core tube 框支框筒
gas tube (=gas-filled tube) 充气管
Heat Exchange Tube and Tube Sheet 换热管与管板
integrated tube-box shell-and-tube heat exchanger 集成管箱型管壳式换热器