飞行试验部门的英文

• flight test branch

• 飞行试验:    an air trial; a flight test
• 部门:    department; branch; class; s ...
• 试验部门:    testing department
• 飞行试验:    air test; air trial; airborne test; flight test; flight trial; flying test; flying trial
• 飞行试验处:    directorate of flight test