beam with one degree of indeterminacy
bolt with one end bent back
cell with one liquid junction
continuous box girder with one box double cells
Double dry cropping with one water cropping
Drink water from a winding canal with one wine cup
jet flow gallery ventilation for tunnels with one inclined shaft and two parallel tubes
Laparoscopy with one hole method
multi-boiler with one tower
pushing manipulation with one finger
receiving medical treatment with one card
route with one open ladle from BF to BOF
two steps with one supplement
subsection fermentation with one strain
Artificial Hand with Multi-Degree of Freedom
eight-square hand with angle measuring apparatus
Fetal childbirth with hand help