遮光角

cut off angle cut off cut-off nubbin cut off machine cut off the retreat cut off a corner cut off in its bloom cut off one's heir with a shilling cut off one's nose to spite one's face angle Angle cut off all means of retreat； burn one's own way of retreat and be determined to fight to the end cut off cut-off cut-off mode effective cadmium cut off propellant cut-off mechanism cut-off interval cut-off characteristic emitter cut-off current abrasive cut off wheel cut-off shell cut-off die