起重臂调整的英文

• luff

• 起重臂:    jib loading boom; cargo boom ...
• 调整:    adjust; tune-up; trim; trimm ...
• 起重臂:    arm of crane; cargo boom; cathead; elevating arm; erecting arm; erector arm; erector beam; gi et; gib arm; gibbet; jib boom; lift arm; lifting beam; loading boom; outrigger; shear leg
• 直臂调整器:    straight arm compensator
• 侧置起重臂:    sideboom