有效射界的英文

• effective field of fire

• 有效:    effective; valid; efficaciou ...
• 射界:    area of fire; firing area; f ...
• 有效射程:    effective firing range; effective range of fire; effective range of jet; effective reach; effective shooting distance; projection
• 有效射高:    effective shooting altitude
• 有效射击:    effective fire