短语词组短语anchor bolster 锚架;锚链孔唇口;锚承架hawse bolster 锚链管孔磨材;锚链孔唇口;锚链枕垫bolster hinge 支撑铰die bolster 模座spring bolster 弹簧承梁floating bolster 浮动承梁bolster detail 长枕头bolster supply 增强供应bolster up 援助，支持bolster plate 护索板；支承板；压床垫板 返回 bolster