【简答题】In a six-axis robot, the Axis _______ is know as wrist roll, and it rotates the upper arm of a robot in a circular movement, while the Axis _______ allows the wrist of the robot's arm to rotate freely...
【判断题】The primary principle of a centrifugal pump involves spinning the fluid in a circular motion that propels it outward and into a discharge chute known as a n impeller .
【简答题】The primary principle of a centrifugal pump involves spinning the fluid in a circular motion that propels it outward and into a discharge chute known as a .