the Operation of the Prolapse of Lumbar

flow of the plastic material

length of the plastic hinge

length of the plastic zone

performance of the plastic film

plastic operation of colonic ampulla

Plastic operation of rectal ampulla

running-through of the plastic section

Plastic operation of abdominal well$

algebraic operation of the map

co-operation of operation

ensure smooth operation of the government

ERP sand table simulation of the operation

evaluation of the operation result

initial operation of the project

mal-operation of the protection

mode of operation of reservoir

model of operation of cyclotron

Operation of the capital