可变角度斜孔准直器的英文

variable-angle slant-hole collimator

• 可变:    variable; changeab ...
• 角度:    angle; the degree ...
• 斜:    oblique; slanting; ...
• 孔:    hole; opening; ape ...
• 准直:    alignment; collima ...
• 器:    implement; utensil ...